399214304 has 24 divisors (see below), whose sum is σ = 787018680. Its totient is φ = 199336576.

The previous prime is 399214303. The next prime is 399214363. The reversal of 399214304 is 403412993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399214303) 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, 16667 + ... + 32805.

It is an arithmetic number, because the mean of its divisors is an integer number (32792445).

Almost surely, 2^399214304 is an apocalyptic number.

It is an amenable number.

399214304 is a deficient number, since it is larger than the sum of its proper divisors (387804376).

399214304 is a wasteful number, since it uses less digits than its factorization.

399214304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16922 (or 16914 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 399214304 is about 19980.3479449183. The cubic root of 399214304 is about 736.3235620504.

The spelling of 399214304 in words is "three hundred ninety-nine million, two hundred fourteen thousand, three hundred four".