390246304 has 24 divisors (see below), whose sum is σ = 878054688. Its totient is φ = 167248320.

The previous prime is 390246299. The next prime is 390246319. The reversal of 390246304 is 403642093.

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, 870862 + ... + 871309.

It is an arithmetic number, because the mean of its divisors is an integer number (36585612).

Almost surely, 2^390246304 is an apocalyptic number.

It is an amenable number.

390246304 is an abundant number, since it is smaller than the sum of its proper divisors (487808384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390246304 is a wasteful number, since it uses less digits than its factorization.

390246304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742188 (or 1742180 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 390246304 is about 19754.6527177777. The cubic root of 390246304 is about 730.7681312258.

Adding to 390246304 its reverse (403642093), we get a palindrome (793888397).

The spelling of 390246304 in words is "three hundred ninety million, two hundred forty-six thousand, three hundred four".