390168704 has 32 divisors (see below), whose sum is σ = 780108240. Its totient is φ = 194376960.

The previous prime is 390168703. The next prime is 390168763. The reversal of 390168704 is 407861093.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (390168703) 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, 30839 + ... + 41609.

Almost surely, 2^390168704 is an apocalyptic number.

It is an amenable number.

390168704 is a deficient number, since it is larger than the sum of its proper divisors (389939536).

390168704 is a wasteful number, since it uses less digits than its factorization.

390168704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068 (or 11056 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 390168704 is about 19752.6885258691. The cubic root of 390168704 is about 730.7196905654.

The spelling of 390168704 in words is "three hundred ninety million, one hundred sixty-eight thousand, seven hundred four".