231604260 has 96 divisors (see below), whose sum is σ = 697092480. Its totient is φ = 57243648.

The previous prime is 231604249. The next prime is 231604271. The reversal of 231604260 is 62406132.

231604260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231604249) and next prime (231604271).

It is a self number, because there is not a number n which added to its sum of digits gives 231604260.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66646 + ... + 70034.

It is an arithmetic number, because the mean of its divisors is an integer number (7261380).

Almost surely, 2^231604260 is an apocalyptic number.

231604260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231604260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348546240).

231604260 is an abundant number, since it is smaller than the sum of its proper divisors (465488220).

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

231604260 is a wasteful number, since it uses less digits than its factorization.

231604260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 231604260 is about 15218.5498652138. The cubic root of 231604260 is about 614.1137873692.

The spelling of 231604260 in words is "two hundred thirty-one million, six hundred four thousand, two hundred sixty".