396811568 has 40 divisors (see below), whose sum is σ = 788790288. Its totient is φ = 193277952.

The previous prime is 396811567. The next prime is 396811589. The reversal of 396811568 is 865118693.

It is not an unprimeable number, because it can be changed into a prime (396811567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462596 + ... + 463452.

Almost surely, 2^396811568 is an apocalyptic number.

It is an amenable number.

396811568 is a deficient number, since it is larger than the sum of its proper divisors (391978720).

396811568 is a wasteful number, since it uses less digits than its factorization.

396811568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1575 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 396811568 is about 19920.1297184531. The cubic root of 396811568 is about 734.8433608850.

The spelling of 396811568 in words is "three hundred ninety-six million, eight hundred eleven thousand, five hundred sixty-eight".