3956956920 has 160 divisors (see below), whose sum is σ = 15199826400. Its totient is φ = 904442112.

The previous prime is 3956956919. The next prime is 3956956921. The reversal of 3956956920 is 296596593.

3956956920 is a `hidden beast` number, since 3 + 9 + 56 + 9 + 569 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3956956919) and next prime (3956956921).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956956921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64555 + ... + 109914.

It is an arithmetic number, because the mean of its divisors is an integer number (94998915).

Almost surely, 2^3956956920 is an apocalyptic number.

3956956920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3956956920 is an abundant number, since it is smaller than the sum of its proper divisors (11242869480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3956956920 is a wasteful number, since it uses less digits than its factorization.

3956956920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174499 (or 174486 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The square root of 3956956920 is about 62904.3473855345. The cubic root of 3956956920 is about 1581.6866195845.

The spelling of 3956956920 in words is "three billion, nine hundred fifty-six million, nine hundred fifty-six thousand, nine hundred twenty".