390368764 has 18 divisors (see below), whose sum is σ = 689917200. Its totient is φ = 193268376.

The previous prime is 390368747. The next prime is 390368767. The reversal of 390368764 is 467863093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390368767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37837 + ... + 47035.

Almost surely, 2^390368764 is an apocalyptic number.

It is an amenable number.

390368764 is a deficient number, since it is larger than the sum of its proper divisors (299548436).

390368764 is a wasteful number, since it uses less digits than its factorization.

390368764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9409 (or 9304 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 390368764 is about 19757.7519976337. The cubic root of 390368764 is about 730.8445620213.

The spelling of 390368764 in words is "three hundred ninety million, three hundred sixty-eight thousand, seven hundred sixty-four".