2004404 has 12 divisors (see below), whose sum is σ = 3660384. Its totient is φ = 958584.

The previous prime is 2004383. The next prime is 2004421. The reversal of 2004404 is 4044002.

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, 10802 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (305032).

2^2004404 is an apocalyptic number.

It is an amenable number.

2004404 is a deficient number, since it is larger than the sum of its proper divisors (1655980).

2004404 is a wasteful number, since it uses less digits than its factorization.

2004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814 (or 21812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2004404 is about 1415.7697552922. The cubic root of 2004404 is about 126.0845153985.

Adding to 2004404 its reverse (4044002), we get a palindrome (6048406).

The spelling of 2004404 in words is "two million, four thousand, four hundred four".