3874392636 has 24 divisors (see below), whose sum is σ = 9048783744. Its totient is φ = 1290245040.

The previous prime is 3874392611. The next prime is 3874392647. The reversal of 3874392636 is 6362934783.

It is a happy number.

It is a congruent number.

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, 139110 + ... + 164621.

It is an arithmetic number, because the mean of its divisors is an integer number (377032656).

Almost surely, 2^3874392636 is an apocalyptic number.

It is an amenable number.

3874392636 is an abundant number, since it is smaller than the sum of its proper divisors (5174391108).

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

3874392636 is a wasteful number, since it uses less digits than its factorization.

3874392636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304801 (or 304799 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 51.

The square root of 3874392636 is about 62244.6193337223. The cubic root of 3874392636 is about 1570.6082590468.

The spelling of 3874392636 in words is "three billion, eight hundred seventy-four million, three hundred ninety-two thousand, six hundred thirty-six".