264831 has 8 divisors (see below), whose sum is σ = 403584. Its totient is φ = 151320.

The previous prime is 264829. The next prime is 264839. The reversal of 264831 is 138462.

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 264831 - 2¹ = 264829 is a prime.

It is a super-2 number, since 2×264831² = 140270917122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264839) 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, 6285 + ... + 6326.

It is an arithmetic number, because the mean of its divisors is an integer number (50448).

2²⁶⁴⁸³¹ is an apocalyptic number.

264831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

264831 is a deficient number, since it is larger than the sum of its proper divisors (138753).

264831 is a wasteful number, since it uses less digits than its factorization.

264831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621.

The product of its digits is 1152, while the sum is 24.

The square root of 264831 is about 514.6173335596. The cubic root of 264831 is about 64.2179257210.

The spelling of 264831 in words is "two hundred sixty-four thousand, eight hundred thirty-one".