390028976 has 20 divisors (see below), whose sum is σ = 766962072. Its totient is φ = 192103296.

The previous prime is 390028939. The next prime is 390028981. The reversal of 390028976 is 679820093.

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, 180845 + ... + 182988.

Almost surely, 2^390028976 is an apocalyptic number.

It is an amenable number.

390028976 is a deficient number, since it is larger than the sum of its proper divisors (376933096).

390028976 is a wasteful number, since it uses less digits than its factorization.

390028976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363908 (or 363902 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 390028976 is about 19749.1512729028. The cubic root of 390028976 is about 730.6324512160.

The spelling of 390028976 in words is "three hundred ninety million, twenty-eight thousand, nine hundred seventy-six".