385515108 has 36 divisors (see below), whose sum is σ = 1063088208. Its totient is φ = 116822640.

The previous prime is 385515107. The next prime is 385515113. The reversal of 385515108 is 801515583.

385515108 is a `hidden beast` number, since 38 + 5 + 515 + 108 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (385515107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486366 + ... + 487157.

It is an arithmetic number, because the mean of its divisors is an integer number (29530228).

Almost surely, 2^385515108 is an apocalyptic number.

It is an amenable number.

385515108 is an abundant number, since it is smaller than the sum of its proper divisors (677573100).

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

385515108 is a wasteful number, since it uses less digits than its factorization.

385515108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973544 (or 973539 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 385515108 is about 19634.5386500422. The cubic root of 385515108 is about 727.8029319062.

The spelling of 385515108 in words is "three hundred eighty-five million, five hundred fifteen thousand, one hundred eight".