399059902 has 32 divisors (see below), whose sum is σ = 622033344. Its totient is φ = 191923200.

The previous prime is 399059897. The next prime is 399059917. The reversal of 399059902 is 209950993.

It is a happy number.

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, 1420002 + ... + 1420282.

It is an arithmetic number, because the mean of its divisors is an integer number (19438542).

Almost surely, 2^399059902 is an apocalyptic number.

399059902 is a deficient number, since it is larger than the sum of its proper divisors (222973442).

399059902 is a wasteful number, since it uses less digits than its factorization.

399059902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 399059902 is about 19976.4837246198. The cubic root of 399059902 is about 736.2286218226.

The spelling of 399059902 in words is "three hundred ninety-nine million, fifty-nine thousand, nine hundred two".