390624992 has 12 divisors (see below), whose sum is σ = 769043016. Its totient is φ = 195312480.

The previous prime is 390624959. The next prime is 390625003. The reversal of 390624992 is 299426093.

It is a super-3 number, since 3×390624992³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103484 + ... + 6103547.

It is an arithmetic number, because the mean of its divisors is an integer number (64086918).

Almost surely, 2^390624992 is an apocalyptic number.

390624992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390624992 is a deficient number, since it is larger than the sum of its proper divisors (378418024).

390624992 is a wasteful number, since it uses less digits than its factorization.

390624992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207041 (or 12207033 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 390624992 is about 19764.2351736666. The cubic root of 390624992 is about 731.0044295629.

The spelling of 390624992 in words is "three hundred ninety million, six hundred twenty-four thousand, nine hundred ninety-two".