232887440 has 20 divisors (see below), whose sum is σ = 541463484. Its totient is φ = 93154944.

The previous prime is 232887439. The next prime is 232887467. The reversal of 232887440 is 44788232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166823056 + 66064384 = 12916^2 + 8128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 232887394 and 232887403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455467 + ... + 1455626.

Almost surely, 2^232887440 is an apocalyptic number.

232887440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232887440 is an abundant number, since it is smaller than the sum of its proper divisors (308576044).

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

232887440 is a wasteful number, since it uses less digits than its factorization.

232887440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911106 (or 2911100 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 232887440 is about 15260.6500516852. The cubic root of 232887440 is about 615.2458443822.

The spelling of 232887440 in words is "two hundred thirty-two million, eight hundred eighty-seven thousand, four hundred forty".