264788 has 12 divisors (see below), whose sum is σ = 472500. Its totient is φ = 129792.

The previous prime is 264787. The next prime is 264791. The reversal of 264788 is 887462.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 114244 = 388^2 + 338^2 .

It is a super-2 number, since 2×264788² = 140225369888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (39375).

2²⁶⁴⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

264788 is a deficient number, since it is larger than the sum of its proper divisors (207712).

264788 is a wasteful number, since it uses less digits than its factorization.

264788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 264788 is about 514.5755532475. The cubic root of 264788 is about 64.2144498939.

The spelling of 264788 in words is "two hundred sixty-four thousand, seven hundred eighty-eight".