399479700 has 36 divisors (see below), whose sum is σ = 1155828800. Its totient is φ = 106527840.

The previous prime is 399479681. The next prime is 399479723. The reversal of 399479700 is 7974993.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 399479700.

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 11 ways as a sum of consecutive naturals, for example, 665500 + ... + 666099.

Almost surely, 2^399479700 is an apocalyptic number.

399479700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399479700 is an abundant number, since it is smaller than the sum of its proper divisors (756349100).

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

399479700 is a wasteful number, since it uses less digits than its factorization.

399479700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331616 (or 1331609 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 399479700 is about 19986.9882673703. The cubic root of 399479700 is about 736.4866941809.

The spelling of 399479700 in words is "three hundred ninety-nine million, four hundred seventy-nine thousand, seven hundred".