399283386936 has 64 divisors (see below), whose sum is σ = 1177610004480. Its totient is φ = 110400935040.

The previous prime is 399283386889. The next prime is 399283386941. The reversal of 399283386936 is 639683382993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38328451 + ... + 38338866.

It is an arithmetic number, because the mean of its divisors is an integer number (18400156320).

Almost surely, 2^399283386936 is an apocalyptic number.

It is an amenable number.

399283386936 is an abundant number, since it is smaller than the sum of its proper divisors (778326617544).

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

399283386936 is a wasteful number, since it uses less digits than its factorization.

399283386936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76667364 (or 76667360 counting only the distinct ones).

The product of its digits is 272097792, while the sum is 69.

The spelling of 399283386936 in words is "three hundred ninety-nine billion, two hundred eighty-three million, three hundred eighty-six thousand, nine hundred thirty-six".