265992 has 16 divisors (see below), whose sum is σ = 665040. Its totient is φ = 88656.

The previous prime is 265987. The next prime is 266003. The reversal of 265992 is 299562.

It is an unprimeable number.

265992 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, 5518 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (41565).

2²⁶⁵⁹⁹² is an apocalyptic number.

It is an amenable number.

265992 is an abundant number, since it is smaller than the sum of its proper divisors (399048).

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

265992 is a wasteful number, since it uses less digits than its factorization.

265992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092 (or 11088 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 265992 is about 515.7441226034. The cubic root of 265992 is about 64.3116311727.

The spelling of 265992 in words is "two hundred sixty-five thousand, nine hundred ninety-two".