264747 has 12 divisors (see below), whose sum is σ = 410856. Its totient is φ = 151200.

The previous prime is 264743. The next prime is 264749. The reversal of 264747 is 747462.

It is not a de Polignac number, because 264747 - 2² = 264743 is a prime.

264747 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (264743) 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 11 ways as a sum of consecutive naturals, for example, 754 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (34238).

2²⁶⁴⁷⁴⁷ is an apocalyptic number.

264747 is a deficient number, since it is larger than the sum of its proper divisors (146109).

264747 is a wasteful number, since it uses less digits than its factorization.

264747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1811 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 264747 is about 514.5357130462. The cubic root of 264747 is about 64.2111353827.

The spelling of 264747 in words is "two hundred sixty-four thousand, seven hundred forty-seven".