399367996 has 6 divisors (see below), whose sum is σ = 698894000. Its totient is φ = 199683996.

The previous prime is 399367987. The next prime is 399368023. The reversal of 399367996 is 699763993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49920996 + ... + 49921003.

Almost surely, 2^399367996 is an apocalyptic number.

It is an amenable number.

399367996 is a deficient number, since it is larger than the sum of its proper divisors (299526004).

399367996 is a wasteful number, since it uses less digits than its factorization.

399367996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99842003 (or 99842001 counting only the distinct ones).

The product of its digits is 14880348, while the sum is 61.

The square root of 399367996 is about 19984.1936539856. The cubic root of 399367996 is about 736.4180413983.

The spelling of 399367996 in words is "three hundred ninety-nine million, three hundred sixty-seven thousand, nine hundred ninety-six".