399663230604 has 48 divisors (see below), whose sum is σ = 1017506259840. Its totient is φ = 121088442240.

The previous prime is 399663230581. The next prime is 399663230609. The reversal of 399663230604 is 406032366993.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (399663230609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479472 + ... + 1014504.

It is an arithmetic number, because the mean of its divisors is an integer number (21198047080).

Almost surely, 2^399663230604 is an apocalyptic number.

It is an amenable number.

399663230604 is an abundant number, since it is smaller than the sum of its proper divisors (617843029236).

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

399663230604 is a wasteful number, since it uses less digits than its factorization.

399663230604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540710 (or 540708 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 51.

The spelling of 399663230604 in words is "three hundred ninety-nine billion, six hundred sixty-three million, two hundred thirty thousand, six hundred four".