386853885 has 24 divisors (see below), whose sum is σ = 731506464. Its totient is φ = 187565280.

The previous prime is 386853869. The next prime is 386853893. The reversal of 386853885 is 588358683.

It is not a de Polignac number, because 386853885 - 2⁴ = 386853869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390267 + ... + 391256.

It is an arithmetic number, because the mean of its divisors is an integer number (30479436).

Almost surely, 2^386853885 is an apocalyptic number.

It is an amenable number.

386853885 is a deficient number, since it is larger than the sum of its proper divisors (344652579).

386853885 is a wasteful number, since it uses less digits than its factorization.

386853885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781545 (or 781542 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 386853885 is about 19668.6015008693. The cubic root of 386853885 is about 728.6444381441.

The spelling of 386853885 in words is "three hundred eighty-six million, eight hundred fifty-three thousand, eight hundred eighty-five".