385065564 has 48 divisors (see below), whose sum is σ = 985878432. Its totient is φ = 116243712.

The previous prime is 385065529. The next prime is 385065587. The reversal of 385065564 is 465560583.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15019 + ... + 31554.

It is an arithmetic number, because the mean of its divisors is an integer number (20539134).

Almost surely, 2^385065564 is an apocalyptic number.

It is an amenable number.

385065564 is an abundant number, since it is smaller than the sum of its proper divisors (600812868).

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

385065564 is a wasteful number, since it uses less digits than its factorization.

385065564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46646 (or 46644 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 385065564 is about 19623.0875246481. The cubic root of 385065564 is about 727.5199281276.

The spelling of 385065564 in words is "three hundred eighty-five million, sixty-five thousand, five hundred sixty-four".