3,991,012

2² × 229 × 4357

3,991,012 has the prime decomposition 2^2 × 229 × 4357. Its 3 distinct prime factors produce 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 229 × 4357

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 7,016,380

Proper Divisor Sum 3,025,368

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #3990997 ← → #3991019

1 2 4 229 458 916 4,357 8,714 17,428 997,753 1,995,506 3,991,012

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

3,991,012 1,995,506 997,753 2,993,260 1,496,630 748,315 2,244,946 1,122,473 3,367,420 1,683,710 841,855 2,525,566 1,262,783 3,788,350 1,894,175 5,682,526 2,841,263 8,523,790 4,261,895 12,785,686 6,392,843 19,178,530 9,589,265 28,767,796 14,383,898 7,191,949 21,575,848 10,787,924 5,393,962 2,696,981 8,090,944 4,045,472 2,022,736 1,011,368 505,684 252,842 126,421 379,264 189,632 94,816 47,408 23,704 11,852 5,926 2,963 8,890 4,445 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704