3638934 has 24 divisors (see below), whose sum is σ = 8491392. Its totient is φ = 1119600.

The previous prime is 3638923. The next prime is 3638941. The reversal of 3638934 is 4398363.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7542 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 2^3638934 is an apocalyptic number.

3638934 is an abundant number, since it is smaller than the sum of its proper divisors (4852458).

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

3638934 is a wasteful number, since it uses less digits than its factorization.

3638934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15572 (or 15569 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3638934 is about 1907.5990144682. The cubic root of 3638934 is about 153.8124156659.

The spelling of 3638934 in words is "three million, six hundred thirty-eight thousand, nine hundred thirty-four".