3856426886 has 12 divisors (see below), whose sum is σ = 6263841852. Its totient is φ = 1779889176.

The previous prime is 3856426879. The next prime is 3856426909. The reversal of 3856426886 is 6886246583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5704436 + ... + 5705111.

It is an arithmetic number, because the mean of its divisors is an integer number (521986821).

Almost surely, 2^3856426886 is an apocalyptic number.

3856426886 is a deficient number, since it is larger than the sum of its proper divisors (2407414966).

3856426886 is a wasteful number, since it uses less digits than its factorization.

3856426886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409575 (or 11409562 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The square root of 3856426886 is about 62100.1359579832. The cubic root of 3856426886 is about 1568.1768342643.

The spelling of 3856426886 in words is "three billion, eight hundred fifty-six million, four hundred twenty-six thousand, eight hundred eighty-six".