3957206956 has 12 divisors (see below), whose sum is σ = 6996505768. Its totient is φ = 1958205312.

The previous prime is 3957206923. The next prime is 3957206983. The reversal of 3957206956 is 6596027593.

It is a super-2 number, since 2×3957206956² = 31318973785229571872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099106 + ... + 5099881.

Almost surely, 2^3957206956 is an apocalyptic number.

It is an amenable number.

3957206956 is a deficient number, since it is larger than the sum of its proper divisors (3039298812).

3957206956 is a wasteful number, since it uses less digits than its factorization.

3957206956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199088 (or 10199086 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 52.

The square root of 3957206956 is about 62906.3347843443. The cubic root of 3957206956 is about 1581.7199339280.

The spelling of 3957206956 in words is "three billion, nine hundred fifty-seven million, two hundred six thousand, nine hundred fifty-six".