231674636 has 24 divisors (see below), whose sum is σ = 410130000. Its totient is φ = 114502464.

The previous prime is 231674629. The next prime is 231674701. The reversal of 231674636 is 636476132.

231674636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231674636.

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, 148790 + ... + 150338.

It is an arithmetic number, because the mean of its divisors is an integer number (17088750).

Almost surely, 2^231674636 is an apocalyptic number.

It is an amenable number.

231674636 is a deficient number, since it is larger than the sum of its proper divisors (178455364).

231674636 is a wasteful number, since it uses less digits than its factorization.

231674636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1959 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 231674636 is about 15220.8618678444. The cubic root of 231674636 is about 614.1759832532.

The spelling of 231674636 in words is "two hundred thirty-one million, six hundred seventy-four thousand, six hundred thirty-six".