264347 has 4 divisors (see below), whose sum is σ = 278280. Its totient is φ = 250416.

The previous prime is 264343. The next prime is 264349. The reversal of 264347 is 743462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264347 - 2² = 264343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6938 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (69570).

2²⁶⁴³⁴⁷ is an apocalyptic number.

264347 is a deficient number, since it is larger than the sum of its proper divisors (13933).

264347 is a wasteful number, since it uses less digits than its factorization.

264347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932.

The product of its digits is 4032, while the sum is 26.

The square root of 264347 is about 514.1468661774. The cubic root of 264347 is about 64.1787807192.

The spelling of 264347 in words is "two hundred sixty-four thousand, three hundred forty-seven".