390604 has 6 divisors (see below), whose sum is σ = 683564. Its totient is φ = 195300.

The previous prime is 390581. The next prime is 390647. The reversal of 390604 is 406093.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48822 + ... + 48829.

2³⁹⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

390604 is a deficient number, since it is larger than the sum of its proper divisors (292960).

390604 is a wasteful number, since it uses less digits than its factorization.

390604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97655 (or 97653 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 390604 is about 624.9831997742. The cubic root of 390604 is about 73.0991334719.

Adding to 390604 its reverse (406093), we get a palindrome (796697).

The spelling of 390604 in words is "three hundred ninety thousand, six hundred four".