2004489 has 12 divisors (see below), whose sum is σ = 2909296. Its totient is φ = 1329912.

The previous prime is 2004479. The next prime is 2004511. The reversal of 2004489 is 9844002.

It is not a de Polignac number, because 2004489 - 2¹² = 2000393 is a prime.

It is a super-2 number, since 2×2004489² = 8035952302242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154 + ... + 2940.

2^2004489 is an apocalyptic number.

It is an amenable number.

2004489 is a deficient number, since it is larger than the sum of its proper divisors (904807).

2004489 is a wasteful number, since it uses less digits than its factorization.

2004489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2004489 is about 1415.7997739794. The cubic root of 2004489 is about 126.0862976460.

The spelling of 2004489 in words is "two million, four thousand, four hundred eighty-nine".