2004904 has 16 divisors (see below), whose sum is σ = 4101120. Its totient is φ = 911280.

The previous prime is 2004901. The next prime is 2004911. The reversal of 2004904 is 4094002.

It is not an unprimeable number, because it can be changed into a prime (2004901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11304 + ... + 11479.

It is an arithmetic number, because the mean of its divisors is an integer number (256320).

2^2004904 is an apocalyptic number.

It is an amenable number.

2004904 is an abundant number, since it is smaller than the sum of its proper divisors (2096216).

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

2004904 is a wasteful number, since it uses less digits than its factorization.

2004904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800 (or 22796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2004904 is about 1415.9463266664. The cubic root of 2004904 is about 126.0949984841.

Adding to 2004904 its reverse (4094002), we get a palindrome (6098906).

The spelling of 2004904 in words is "two million, four thousand, nine hundred four".