3638367828 has 48 divisors (see below), whose sum is σ = 9438352000. Its totient is φ = 1212076224.

The previous prime is 3638367791. The next prime is 3638367833. The reversal of 3638367828 is 8287638363.

3638367828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193968 + ... + 211896.

Almost surely, 2^3638367828 is an apocalyptic number.

It is an amenable number.

3638367828 is an abundant number, since it is smaller than the sum of its proper divisors (5799984172).

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

3638367828 is a wasteful number, since it uses less digits than its factorization.

3638367828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821 (or 19813 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 3638367828 is about 60318.8845056007. The cubic root of 3638367828 is about 1538.0443816484.

The spelling of 3638367828 in words is "three billion, six hundred thirty-eight million, three hundred sixty-seven thousand, eight hundred twenty-eight".