231960738 has 16 divisors (see below), whose sum is σ = 468426816. Its totient is φ = 76569360.

The previous prime is 231960737. The next prime is 231960761. The reversal of 231960738 is 837069132.

231960738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231960696 and 231960705.

It is not an unprimeable number, because it can be changed into a prime (231960737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187053 + ... + 188288.

It is an arithmetic number, because the mean of its divisors is an integer number (29276676).

Almost surely, 2^231960738 is an apocalyptic number.

231960738 is an abundant number, since it is smaller than the sum of its proper divisors (236466078).

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

231960738 is a wasteful number, since it uses less digits than its factorization.

231960738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375449.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 231960738 is about 15230.2573189031. The cubic root of 231960738 is about 614.4287007382.

The spelling of 231960738 in words is "two hundred thirty-one million, nine hundred sixty thousand, seven hundred thirty-eight".