239528 has 16 divisors (see below), whose sum is σ = 456000. Its totient is φ = 117936.

The previous prime is 239527. The next prime is 239531. The reversal of 239528 is 825932.

It is a self number, because there is not a number n which added to its sum of digits gives 239528.

It is not an unprimeable number, because it can be changed into a prime (239521) 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, 443 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (28500).

2²³⁹⁵²⁸ is an apocalyptic number.

It is an amenable number.

239528 is a deficient number, since it is larger than the sum of its proper divisors (216472).

239528 is a wasteful number, since it uses less digits than its factorization.

239528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 460 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 239528 is about 489.4159784886. The cubic root of 239528 is about 62.1038841124.

It can be divided in two parts, 239 and 528, that added together give a palindrome (767).

The spelling of 239528 in words is "two hundred thirty-nine thousand, five hundred twenty-eight".