399304020304 has 40 divisors (see below), whose sum is σ = 884206317888. Its totient is φ = 171123882240.

The previous prime is 399304020289. The next prime is 399304020347. The reversal of 399304020304 is 403020403993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4079619 + ... + 4176349.

Almost surely, 2^399304020304 is an apocalyptic number.

It is an amenable number.

399304020304 is an abundant number, since it is smaller than the sum of its proper divisors (484902297584).

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

399304020304 is a wasteful number, since it uses less digits than its factorization.

399304020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133603 (or 133597 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 399304020304 in words is "three hundred ninety-nine billion, three hundred four million, twenty thousand, three hundred four".