385115886 has 24 divisors (see below), whose sum is σ = 835393104. Its totient is φ = 128221920.

The previous prime is 385115881. The next prime is 385115893. The reversal of 385115886 is 688511583.

385115886 is a `hidden beast` number, since 3 + 8 + 511 + 58 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385115881) 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, 3906 + ... + 28026.

It is an arithmetic number, because the mean of its divisors is an integer number (34808046).

Almost surely, 2^385115886 is an apocalyptic number.

385115886 is an abundant number, since it is smaller than the sum of its proper divisors (450277218).

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

385115886 is a wasteful number, since it uses less digits than its factorization.

385115886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25016 (or 25013 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 385115886 is about 19624.3696968845. The cubic root of 385115886 is about 727.5516185431.

The spelling of 385115886 in words is "three hundred eighty-five million, one hundred fifteen thousand, eight hundred eighty-six".