3638204 has 12 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 1712064.

The previous prime is 3638203. The next prime is 3638207. The reversal of 3638204 is 4028363.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26684 + ... + 26819.

It is an arithmetic number, because the mean of its divisors is an integer number (561792).

Almost surely, 2^3638204 is an apocalyptic number.

3638204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3638204 is a deficient number, since it is larger than the sum of its proper divisors (3103300).

3638204 is a wasteful number, since it uses less digits than its factorization.

3638204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53524 (or 53522 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3638204 is about 1907.4076648687. The cubic root of 3638204 is about 153.8021296341.

The spelling of 3638204 in words is "three million, six hundred thirty-eight thousand, two hundred four".