394605604 has 12 divisors (see below), whose sum is σ = 726905200. Its totient is φ = 186918408.

The previous prime is 394605599. The next prime is 394605647. The reversal of 394605604 is 406506493.

It is a happy number.

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, 2596014 + ... + 2596165.

Almost surely, 2^394605604 is an apocalyptic number.

It is an amenable number.

394605604 is a deficient number, since it is larger than the sum of its proper divisors (332299596).

394605604 is a wasteful number, since it uses less digits than its factorization.

394605604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192202 (or 5192200 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 394605604 is about 19864.6823281924. The cubic root of 394605604 is about 733.4791103217.

The spelling of 394605604 in words is "three hundred ninety-four million, six hundred five thousand, six hundred four".