264859 has 8 divisors (see below), whose sum is σ = 305888. Its totient is φ = 224640.

The previous prime is 264839. The next prime is 264871. The reversal of 264859 is 958462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 264859 - 2⁵ = 264827 is a prime.

It is a Duffinian number.

264859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (264829) 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, 979 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (38236).

2²⁶⁴⁸⁵⁹ is an apocalyptic number.

264859 is a deficient number, since it is larger than the sum of its proper divisors (41029).

264859 is a wasteful number, since it uses less digits than its factorization.

264859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

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

The square root of 264859 is about 514.6445375208. The cubic root of 264859 is about 64.2201888480.

The spelling of 264859 in words is "two hundred sixty-four thousand, eight hundred fifty-nine".