3838634860 has 24 divisors (see below), whose sum is σ = 8132475456. Its totient is φ = 1521864960.

The previous prime is 3838634857. The next prime is 3838634911. The reversal of 3838634860 is 684368383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846996 + ... + 851515.

It is an arithmetic number, because the mean of its divisors is an integer number (338853144).

Almost surely, 2^3838634860 is an apocalyptic number.

It is an amenable number.

3838634860 is an abundant number, since it is smaller than the sum of its proper divisors (4293840596).

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

3838634860 is a wasteful number, since it uses less digits than its factorization.

3838634860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698633 (or 1698631 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 3838634860 is about 61956.7176341678. The cubic root of 3838634860 is about 1565.7614670283.

The spelling of 3838634860 in words is "three billion, eight hundred thirty-eight million, six hundred thirty-four thousand, eight hundred sixty".