3630404 has 12 divisors (see below), whose sum is σ = 6501264. Its totient is φ = 1772904.

The previous prime is 3630397. The next prime is 3630433. The reversal of 3630404 is 4040363.

It is a happy number.

3630404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10382 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (541772).

Almost surely, 2^3630404 is an apocalyptic number.

It is an amenable number.

3630404 is a deficient number, since it is larger than the sum of its proper divisors (2870860).

3630404 is a wasteful number, since it uses less digits than its factorization.

3630404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154 (or 21152 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3630404 is about 1905.3619078800. The cubic root of 3630404 is about 153.6921380967.

Adding to 3630404 its reverse (4040363), we get a palindrome (7670767).

The spelling of 3630404 in words is "three million, six hundred thirty thousand, four hundred four".