231596460 has 36 divisors (see below), whose sum is σ = 702509808. Its totient is φ = 61759008.

The previous prime is 231596441. The next prime is 231596461. The reversal of 231596460 is 64695132.

It is a happy number.

231596460 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 9 + 646 + 0 = 666.

231596460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (231596461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643144 + ... + 643503.

Almost surely, 2^231596460 is an apocalyptic number.

231596460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231596460 is an abundant number, since it is smaller than the sum of its proper divisors (470913348).

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

231596460 is a wasteful number, since it uses less digits than its factorization.

231596460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286662 (or 1286657 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 231596460 is about 15218.2935968524. The cubic root of 231596460 is about 614.1068932224.

The spelling of 231596460 in words is "two hundred thirty-one million, five hundred ninety-six thousand, four hundred sixty".