399462984 has 48 divisors (see below), whose sum is σ = 1083747600. Its totient is φ = 132924384.

The previous prime is 399462977. The next prime is 399462997. The reversal of 399462984 is 489264993.

399462984 is a `hidden beast` number, since 3 + 9 + 9 + 4 + 629 + 8 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 399462984.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40087 + ... + 49049.

It is an arithmetic number, because the mean of its divisors is an integer number (22578075).

Almost surely, 2^399462984 is an apocalyptic number.

It is an amenable number.

399462984 is an abundant number, since it is smaller than the sum of its proper divisors (684284616).

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

399462984 is a wasteful number, since it uses less digits than its factorization.

399462984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594 (or 9587 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 399462984 is about 19986.5700909386. The cubic root of 399462984 is about 736.4764214158.

The spelling of 399462984 in words is "three hundred ninety-nine million, four hundred sixty-two thousand, nine hundred eighty-four".