399367704 has 64 divisors (see below), whose sum is σ = 1017878400. Its totient is φ = 130546944.

The previous prime is 399367681. The next prime is 399367733. The reversal of 399367704 is 407763993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493252 + ... + 494060.

It is an arithmetic number, because the mean of its divisors is an integer number (15904350).

Almost surely, 2^399367704 is an apocalyptic number.

It is an amenable number.

399367704 is an abundant number, since it is smaller than the sum of its proper divisors (618510696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399367704 is a wasteful number, since it uses less digits than its factorization.

399367704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 399367704 is about 19984.1863482104. The cubic root of 399367704 is about 736.4178619197.

The spelling of 399367704 in words is "three hundred ninety-nine million, three hundred sixty-seven thousand, seven hundred four".