231879404 has 6 divisors (see below), whose sum is σ = 405788964. Its totient is φ = 115939700.

The previous prime is 231879391. The next prime is 231879421. The reversal of 231879404 is 404978132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28984922 + ... + 28984929.

It is an arithmetic number, because the mean of its divisors is an integer number (67631494).

Almost surely, 2^231879404 is an apocalyptic number.

It is an amenable number.

231879404 is a deficient number, since it is larger than the sum of its proper divisors (173909560).

231879404 is a wasteful number, since it uses less digits than its factorization.

231879404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57969855 (or 57969853 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 231879404 is about 15227.5869394990. The cubic root of 231879404 is about 614.3568785462.

The spelling of 231879404 in words is "two hundred thirty-one million, eight hundred seventy-nine thousand, four hundred four".