239952 has 20 divisors (see below), whose sum is σ = 620000. Its totient is φ = 79968.

The previous prime is 239947. The next prime is 239957. The reversal of 239952 is 259932.

239952 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (239947) and next prime (239957).

It is an Ulam number.

239952 is an undulating number in base 14.

It is a nialpdrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239957) by changing a digit.

239952 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, 2452 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (31000).

2²³⁹⁹⁵² is an apocalyptic number.

It is an amenable number.

239952 is an abundant number, since it is smaller than the sum of its proper divisors (380048).

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

239952 is a wasteful number, since it uses less digits than its factorization.

239952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 5004 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 239952 is about 489.8489563120. The cubic root of 239952 is about 62.1405068662.

The spelling of 239952 in words is "two hundred thirty-nine thousand, nine hundred fifty-two".