231979674 has 8 divisors (see below), whose sum is σ = 463959360. Its totient is φ = 77326556.

The previous prime is 231979669. The next prime is 231979687. The reversal of 231979674 is 476979132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

231979674 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19331634 + ... + 19331645.

It is an arithmetic number, because the mean of its divisors is an integer number (57994920).

Almost surely, 2^231979674 is an apocalyptic number.

231979674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231979674 is a wasteful number, since it uses less digits than its factorization.

231979674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38663284.

The product of its digits is 571536, while the sum is 48.

The square root of 231979674 is about 15230.8789634742. The cubic root of 231979674 is about 614.4454198108.

The spelling of 231979674 in words is "two hundred thirty-one million, nine hundred seventy-nine thousand, six hundred seventy-four".