265896 has 32 divisors (see below), whose sum is σ = 739200. Its totient is φ = 88560.

The previous prime is 265891. The next prime is 265921. The reversal of 265896 is 698562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 265896.

It is not an unprimeable number, because it can be changed into a prime (265891) by changing a digit.

265896 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2²⁶⁵⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

265896 is an abundant number, since it is smaller than the sum of its proper divisors (473304).

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

265896 is a wasteful number, since it uses less digits than its factorization.

265896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1236 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 265896 is about 515.6510447968. The cubic root of 265896 is about 64.3038932715.

The spelling of 265896 in words is "two hundred sixty-five thousand, eight hundred ninety-six".