386881893 has 8 divisors (see below), whose sum is σ = 573158400. Its totient is φ = 257921244.

The previous prime is 386881883. The next prime is 386881909. The reversal of 386881893 is 398188683.

It is a happy number.

386881893 is a `hidden beast` number, since 386 + 88 + 189 + 3 = 666.

It is not a de Polignac number, because 386881893 - 2⁸ = 386881637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386881853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7164453 + ... + 7164506.

It is an arithmetic number, because the mean of its divisors is an integer number (71644800).

Almost surely, 2^386881893 is an apocalyptic number.

It is an amenable number.

386881893 is a deficient number, since it is larger than the sum of its proper divisors (186276507).

386881893 is a wasteful number, since it uses less digits than its factorization.

386881893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14328968 (or 14328962 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 386881893 is about 19669.3134857320. The cubic root of 386881893 is about 728.6620221999.

The spelling of 386881893 in words is "three hundred eighty-six million, eight hundred eighty-one thousand, eight hundred ninety-three".