385918568 has 32 divisors (see below), whose sum is σ = 847143360. Its totient is φ = 161358720.

The previous prime is 385918553. The next prime is 385918571. The reversal of 385918568 is 865819583.

It is a super-2 number, since 2×385918568² = 297866282254341248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81746 + ... + 86337.

It is an arithmetic number, because the mean of its divisors is an integer number (26473230).

Almost surely, 2^385918568 is an apocalyptic number.

It is an amenable number.

385918568 is an abundant number, since it is smaller than the sum of its proper divisors (461224792).

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

385918568 is a wasteful number, since it uses less digits than its factorization.

385918568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168137 (or 168133 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 53.

The square root of 385918568 is about 19644.8102052425. The cubic root of 385918568 is about 728.0567369137.

The spelling of 385918568 in words is "three hundred eighty-five million, nine hundred eighteen thousand, five hundred sixty-eight".