265888 has 24 divisors (see below), whose sum is σ = 598752. Its totient is φ = 113856.

The previous prime is 265883. The next prime is 265891. The reversal of 265888 is 888562.

It is not an unprimeable number, because it can be changed into a prime (265883) by changing a digit.

265888 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, 370 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2²⁶⁵⁸⁸⁸ is an apocalyptic number.

265888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

265888 is an abundant number, since it is smaller than the sum of its proper divisors (332864).

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

265888 is a wasteful number, since it uses less digits than its factorization.

265888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1196 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 265888 is about 515.6432875545. The cubic root of 265888 is about 64.3032483623.

The spelling of 265888 in words is "two hundred sixty-five thousand, eight hundred eighty-eight".