239764 has 12 divisors (see below), whose sum is σ = 479584. Its totient is φ = 102744.

The previous prime is 239753. The next prime is 239779. The reversal of 239764 is 467932.

239764 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254 + ... + 4309.

2²³⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

239764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

239764 is a wasteful number, since it uses less digits than its factorization.

239764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574 (or 8572 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 239764 is about 489.6570228231. The cubic root of 239764 is about 62.1242738034.

The spelling of 239764 in words is "two hundred thirty-nine thousand, seven hundred sixty-four".