239556 has 12 divisors (see below), whose sum is σ = 558992. Its totient is φ = 79848.

The previous prime is 239543. The next prime is 239557. The reversal of 239556 is 655932.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (239557) by changing a digit.

239556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9970 + ... + 9993.

2²³⁹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

239556 is an abundant number, since it is smaller than the sum of its proper divisors (319436).

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

239556 is a wasteful number, since it uses less digits than its factorization.

239556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19970 (or 19968 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 239556 is about 489.4445831757. Note that the first 3 decimals coincide. The cubic root of 239556 is about 62.1063039283.

The spelling of 239556 in words is "two hundred thirty-nine thousand, five hundred fifty-six".