232239940 has 24 divisors (see below), whose sum is σ = 487992960. Its totient is φ = 92840928.

The previous prime is 232239899. The next prime is 232239977. The reversal of 232239940 is 49932232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 232239896 and 232239905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57301 + ... + 61219.

It is an arithmetic number, because the mean of its divisors is an integer number (20333040).

Almost surely, 2^232239940 is an apocalyptic number.

232239940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232239940 is an abundant number, since it is smaller than the sum of its proper divisors (255753020).

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

232239940 is a wasteful number, since it uses less digits than its factorization.

232239940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 232239940 is about 15239.4205926603. The cubic root of 232239940 is about 614.6751231002.

The spelling of 232239940 in words is "two hundred thirty-two million, two hundred thirty-nine thousand, nine hundred forty".