396979584392 has 48 divisors (see below), whose sum is σ = 771224483520. Its totient is φ = 191529850400.

The previous prime is 396979584389. The next prime is 396979584431. The reversal of 396979584392 is 293485979693.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096517 + ... + 1412907.

It is an arithmetic number, because the mean of its divisors is an integer number (16067176740).

Almost surely, 2^396979584392 is an apocalyptic number.

It is an amenable number.

396979584392 is a deficient number, since it is larger than the sum of its proper divisors (374244899128).

396979584392 is a wasteful number, since it uses less digits than its factorization.

396979584392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316562 (or 316511 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 74.

The spelling of 396979584392 in words is "three hundred ninety-six billion, nine hundred seventy-nine million, five hundred eighty-four thousand, three hundred ninety-two".