239572 has 12 divisors (see below), whose sum is σ = 424116. Its totient is φ = 118400.

The previous prime is 239567. The next prime is 239579. The reversal of 239572 is 275932.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 42436 = 444^2 + 206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 239572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239579) by changing a digit.

239572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108 + ... + 700.

It is an arithmetic number, because the mean of its divisors is an integer number (35343).

2²³⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

239572 is a deficient number, since it is larger than the sum of its proper divisors (184544).

239572 is a wasteful number, since it uses less digits than its factorization.

239572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 696 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 239572 is about 489.4609279605. The cubic root of 239572 is about 62.1076865956.

The spelling of 239572 in words is "two hundred thirty-nine thousand, five hundred seventy-two".