385813930 has 16 divisors (see below), whose sum is σ = 694688904. Its totient is φ = 154275840.

The previous prime is 385813913. The next prime is 385813957. The reversal of 385813930 is 39318583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 287268601 + 98545329 = 16949^2 + 9927^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56290 + ... + 62770.

Almost surely, 2^385813930 is an apocalyptic number.

385813930 is a deficient number, since it is larger than the sum of its proper divisors (308874974).

385813930 is a wasteful number, since it uses less digits than its factorization.

385813930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 385813930 is about 19642.1467767655. The cubic root of 385813930 is about 727.9909291729.

The spelling of 385813930 in words is "three hundred eighty-five million, eight hundred thirteen thousand, nine hundred thirty".