390494276 has 12 divisors (see below), whose sum is σ = 713076672. Its totient is φ = 186758088.

The previous prime is 390494257. The next prime is 390494297. The reversal of 390494276 is 672494093.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122160 + ... + 2122343.

It is an arithmetic number, because the mean of its divisors is an integer number (59423056).

Almost surely, 2^390494276 is an apocalyptic number.

It is an amenable number.

390494276 is a deficient number, since it is larger than the sum of its proper divisors (322582396).

390494276 is a wasteful number, since it uses less digits than its factorization.

390494276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244530 (or 4244528 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 390494276 is about 19760.9280146455. The cubic root of 390494276 is about 730.9228810723.

The spelling of 390494276 in words is "three hundred ninety million, four hundred ninety-four thousand, two hundred seventy-six".