390494224 has 20 divisors (see below), whose sum is σ = 767876944. Its totient is φ = 192332448.

The previous prime is 390494219. The next prime is 390494227. The reversal of 390494224 is 422494093.

It is not an unprimeable number, because it can be changed into a prime (390494227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181062 + ... + 183205.

Almost surely, 2^390494224 is an apocalyptic number.

It is an amenable number.

390494224 is a deficient number, since it is larger than the sum of its proper divisors (377382720).

390494224 is a wasteful number, since it uses less digits than its factorization.

390494224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364342 (or 364336 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 390494224 is about 19760.9266989177. The cubic root of 390494224 is about 730.9228486279.

The spelling of 390494224 in words is "three hundred ninety million, four hundred ninety-four thousand, two hundred twenty-four".