385908912 has 60 divisors (see below), whose sum is σ = 1081832544. Its totient is φ = 128419200.

The previous prime is 385908907. The next prime is 385908947. The reversal of 385908912 is 219809583.

It is a happy number.

It is a super-2 number, since 2×385908912² = 297851376722047488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99033 + ... + 102855.

Almost surely, 2^385908912 is an apocalyptic number.

It is an amenable number.

385908912 is an abundant number, since it is smaller than the sum of its proper divisors (695923632).

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

385908912 is a wasteful number, since it uses less digits than its factorization.

385908912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 385908912 is about 19644.5644390503. The cubic root of 385908912 is about 728.0506646702.

The spelling of 385908912 in words is "three hundred eighty-five million, nine hundred eight thousand, nine hundred twelve".