230972936 has 16 divisors (see below), whose sum is σ = 448008300. Its totient is φ = 111504064.

The previous prime is 230972933. The next prime is 230972947. The reversal of 230972936 is 639279032.

It can be written as a sum of positive squares in 2 ways, for example, as 200788900 + 30184036 = 14170^2 + 5494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230972893 and 230972902.

It is not an unprimeable number, because it can be changed into a prime (230972933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497555 + ... + 498018.

Almost surely, 2^230972936 is an apocalyptic number.

It is an amenable number.

230972936 is a deficient number, since it is larger than the sum of its proper divisors (217035364).

230972936 is a wasteful number, since it uses less digits than its factorization.

230972936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995608 (or 995604 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 230972936 is about 15197.7937872574. The cubic root of 230972936 is about 613.5552806802. Note that the first 3 decimals are identical.

The spelling of 230972936 in words is "two hundred thirty million, nine hundred seventy-two thousand, nine hundred thirty-six".