399567159 has 12 divisors (see below), whose sum is σ = 588042936. Its totient is φ = 261351792.

The previous prime is 399567149. The next prime is 399567187. The reversal of 399567159 is 951765993.

It is not a de Polignac number, because 399567159 - 2⁵ = 399567127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399567139) by changing a digit.

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, 418357 + ... + 419310.

It is an arithmetic number, because the mean of its divisors is an integer number (49003578).

Almost surely, 2^399567159 is an apocalyptic number.

399567159 is a deficient number, since it is larger than the sum of its proper divisors (188475777).

399567159 is a wasteful number, since it uses less digits than its factorization.

399567159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837726 (or 837723 counting only the distinct ones).

The product of its digits is 2296350, while the sum is 54.

The square root of 399567159 is about 19989.1760460505. The cubic root of 399567159 is about 736.5404371618.

The spelling of 399567159 in words is "three hundred ninety-nine million, five hundred sixty-seven thousand, one hundred fifty-nine".