264895 has 8 divisors (see below), whose sum is σ = 328320. Its totient is φ = 204960.

The previous prime is 264893. The next prime is 264899. The reversal of 264895 is 598462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264895 - 2¹ = 264893 is a prime.

It is a super-2 number, since 2×264895² = 140338722050, which contains 22 as substring.

264895 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 264895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2²⁶⁴⁸⁹⁵ is an apocalyptic number.

264895 is a deficient number, since it is larger than the sum of its proper divisors (63425).

264895 is a wasteful number, since it uses less digits than its factorization.

264895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its digits is 17280, while the sum is 34.

The square root of 264895 is about 514.6795119295. The cubic root of 264895 is about 64.2230983483.

The spelling of 264895 in words is "two hundred sixty-four thousand, eight hundred ninety-five".