3888636 has 12 divisors (see below), whose sum is σ = 9073512. Its totient is φ = 1296208.

The previous prime is 3888629. The next prime is 3888653. The reversal of 3888636 is 6368883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162015 + ... + 162038.

It is an arithmetic number, because the mean of its divisors is an integer number (756126).

Almost surely, 2^3888636 is an apocalyptic number.

It is an amenable number.

3888636 is an abundant number, since it is smaller than the sum of its proper divisors (5184876).

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

3888636 is a wasteful number, since it uses less digits than its factorization.

3888636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324060 (or 324058 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 3888636 is about 1971.9624742880. The cubic root of 3888636 is about 157.2530572155.

The spelling of 3888636 in words is "three million, eight hundred eighty-eight thousand, six hundred thirty-six".