390395882 has 16 divisors (see below), whose sum is σ = 625268160. Its totient is φ = 182368032.

The previous prime is 390395867. The next prime is 390395893. The reversal of 390395882 is 288593093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96707 + ... + 100662.

It is an arithmetic number, because the mean of its divisors is an integer number (39079260).

Almost surely, 2^390395882 is an apocalyptic number.

390395882 is a deficient number, since it is larger than the sum of its proper divisors (234872278).

390395882 is a wasteful number, since it uses less digits than its factorization.

390395882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197437.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 390395882 is about 19758.4382479993. The cubic root of 390395882 is about 730.8614849804.

The spelling of 390395882 in words is "three hundred ninety million, three hundred ninety-five thousand, eight hundred eighty-two".