399804604 has 12 divisors (see below), whose sum is σ = 700331128. Its totient is φ = 199710000.

The previous prime is 399804547. The next prime is 399804617. The reversal of 399804604 is 406408993.

It is a congruent 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, 43347 + ... + 51754.

Almost surely, 2^399804604 is an apocalyptic number.

It is an amenable number.

399804604 is a deficient number, since it is larger than the sum of its proper divisors (300526524).

399804604 is a wasteful number, since it uses less digits than its factorization.

399804604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96156 (or 96154 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 399804604 is about 19995.1145032980. The cubic root of 399804604 is about 736.6863060176.

The spelling of 399804604 in words is "three hundred ninety-nine million, eight hundred four thousand, six hundred four".