399337912 has 16 divisors (see below), whose sum is σ = 752562360. Its totient is φ = 198654624.

The previous prime is 399337879. The next prime is 399337931. The reversal of 399337912 is 219733993.

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 3 ways as a sum of consecutive naturals, for example, 125118 + ... + 128269.

Almost surely, 2^399337912 is an apocalyptic number.

It is an amenable number.

399337912 is a deficient number, since it is larger than the sum of its proper divisors (353224448).

399337912 is a wasteful number, since it uses less digits than its factorization.

399337912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253590 (or 253586 counting only the distinct ones).

The product of its digits is 275562, while the sum is 46.

The square root of 399337912 is about 19983.4409449424. The cubic root of 399337912 is about 736.3995497174.

It can be divided in two parts, 3993 and 37912, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 399337912 in words is "three hundred ninety-nine million, three hundred thirty-seven thousand, nine hundred twelve".