385566264 has 32 divisors (see below), whose sum is σ = 1071018000. Its totient is φ = 128522016.

The previous prime is 385566263. The next prime is 385566271. The reversal of 385566264 is 462665583.

385566264 is a `hidden beast` number, since 3 + 85 + 566 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×385566264² = 297322687869835392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385566263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892299 + ... + 892730.

Almost surely, 2^385566264 is an apocalyptic number.

It is an amenable number.

385566264 is an abundant number, since it is smaller than the sum of its proper divisors (685451736).

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

385566264 is a wasteful number, since it uses less digits than its factorization.

385566264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785044 (or 1785034 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 385566264 is about 19635.8413112349. The cubic root of 385566264 is about 727.8351224649.

The spelling of 385566264 in words is "three hundred eighty-five million, five hundred sixty-six thousand, two hundred sixty-four".