3956808956 has 24 divisors (see below), whose sum is σ = 7650508320. Its totient is φ = 1781069312.

The previous prime is 3956808953. The next prime is 3956809049. The reversal of 3956808956 is 6598086593.

It is a super-2 number, since 2×3956808956² = 31312674228563619872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3956808895 and 3956808904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956808953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263401 + ... + 1266528.

It is an arithmetic number, because the mean of its divisors is an integer number (318771180).

Almost surely, 2^3956808956 is an apocalyptic number.

It is an amenable number.

3956808956 is a deficient number, since it is larger than the sum of its proper divisors (3693699364).

3956808956 is a wasteful number, since it uses less digits than its factorization.

3956808956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529973 (or 2529971 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 59.

The square root of 3956808956 is about 62903.1712714073. The cubic root of 3956808956 is about 1581.6669044683. Note that the first 3 decimals are identical.

The spelling of 3956808956 in words is "three billion, nine hundred fifty-six million, eight hundred eight thousand, nine hundred fifty-six".