264785984 has 28 divisors (see below), whose sum is σ = 526993104. Its totient is φ = 132000384.

The previous prime is 264785981. The next prime is 264785987. The reversal of 264785984 is 489587462.

It is an interprime number because it is at equal distance from previous prime (264785981) and next prime (264785987).

It is a super-2 number, since 2×264785984² = 140223234645696512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264785981) 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, 16247 + ... + 28169.

Almost surely, 2^264785984 is an apocalyptic number.

It is an amenable number.

264785984 is a deficient number, since it is larger than the sum of its proper divisors (262207120).

264785984 is a wasteful number, since it uses less digits than its factorization.

264785984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12282 (or 12272 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 264785984 is about 16272.2458191855. The cubic root of 264785984 is about 642.1428692497.

The spelling of 264785984 in words is "two hundred sixty-four million, seven hundred eighty-five thousand, nine hundred eighty-four".