3956413072 has 20 divisors (see below), whose sum is σ = 7684871356. Its totient is φ = 1973220480.

The previous prime is 3956413033. The next prime is 3956413081. The reversal of 3956413072 is 2703146593.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2860538256 + 1095874816 = 53484^2 + 33104^2 .

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, 305079 + ... + 317782.

Almost surely, 2^3956413072 is an apocalyptic number.

It is an amenable number.

3956413072 is a deficient number, since it is larger than the sum of its proper divisors (3728458284).

3956413072 is a wasteful number, since it uses less digits than its factorization.

3956413072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623266 (or 623260 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3956413072 is about 62900.0244197091. The cubic root of 3956413072 is about 1581.6141534164.

The spelling of 3956413072 in words is "three billion, nine hundred fifty-six million, four hundred thirteen thousand, seventy-two".