264284864 has 28 divisors (see below), whose sum is σ = 529355304. Its totient is φ = 130904064.

The previous prime is 264284863. The next prime is 264284921. The reversal of 264284864 is 468482462.

It is not an unprimeable number, because it can be changed into a prime (264284863) 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, 12449 + ... + 26144.

Almost surely, 2^264284864 is an apocalyptic number.

It is an amenable number.

264284864 is an abundant number, since it is smaller than the sum of its proper divisors (265070440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264284864 is a wasteful number, since it uses less digits than its factorization.

264284864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38712 (or 38702 counting only the distinct ones).

The product of its digits is 589824, while the sum is 44.

The square root of 264284864 is about 16256.8405294510. The cubic root of 264284864 is about 641.7375181748.

The spelling of 264284864 in words is "two hundred sixty-four million, two hundred eighty-four thousand, eight hundred sixty-four".