3956158404 has 81 divisors (see below), whose sum is σ = 11003599789. Its totient is φ = 1197577920.

The previous prime is 3956158391. The next prime is 3956158421. The reversal of 3956158404 is 4048516593.

The square root of 3956158404 is 62898.

It is a perfect power (a square), and thus also a powerful number.

3956158404 is a `hidden beast` number, since 3 + 9 + 5 + 61 + 584 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1647548100 + 2308610304 = 40590^2 + 48048^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3956158404.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 4150792 + ... + 4151744.

Almost surely, 2^3956158404 is an apocalyptic number.

3956158404 is the 62898-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3956158404

3956158404 is an abundant number, since it is smaller than the sum of its proper divisors (7047441385).

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

3956158404 is a wasteful number, since it uses less digits than its factorization.

3956158404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The cubic root of 3956158404 is about 1581.5802173613.

The spelling of 3956158404 in words is "three billion, nine hundred fifty-six million, one hundred fifty-eight thousand, four hundred four".