2004500 has 48 divisors (see below), whose sum is σ = 4630080. Its totient is φ = 756000.

The previous prime is 2004479. The next prime is 2004511. The reversal of 2004500 is 54002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9395 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (96460).

2^2004500 is an apocalyptic number.

2004500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315040).

2004500 is an abundant number, since it is smaller than the sum of its proper divisors (2625580).

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

2004500 is a wasteful number, since it uses less digits than its factorization.

2004500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2004500 is about 1415.8036587041. The cubic root of 2004500 is about 126.0865282861.

Adding to 2004500 its reverse (54002), we get a palindrome (2058502).

The spelling of 2004500 in words is "two million, four thousand, five hundred".