2004504 has 40 divisors (see below), whose sum is σ = 5324460. Its totient is φ = 628864.

The previous prime is 2004479. The next prime is 2004511. The reversal of 2004504 is 4054002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 117904 + ... + 117920.

2^2004504 is an apocalyptic number.

2004504 is a gapful number since it is divisible by the number (24) 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 2004504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662230).

2004504 is an abundant number, since it is smaller than the sum of its proper divisors (3319956).

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

2004504 is an frugal number, since it uses more digits than its factorization.

2004504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2004504 is about 1415.8050713287. The cubic root of 2004504 is about 126.0866121551.

Adding to 2004504 its reverse (4054002), we get a palindrome (6058506).

The spelling of 2004504 in words is "two million, four thousand, five hundred four".