232840 has 16 divisors (see below), whose sum is σ = 523980. Its totient is φ = 93120.

The previous prime is 232823. The next prime is 232847. The reversal of 232840 is 48232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 4356 = 478^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (232847) 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, 2871 + ... + 2950.

2²³²⁸⁴⁰ is an apocalyptic number.

232840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232840 is an abundant number, since it is smaller than the sum of its proper divisors (291140).

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

232840 is a wasteful number, since it uses less digits than its factorization.

232840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 232840 is about 482.5349728258. The cubic root of 232840 is about 61.5204065623.

The spelling of 232840 in words is "two hundred thirty-two thousand, eight hundred forty".