2004440 has 16 divisors (see below), whose sum is σ = 4510080. Its totient is φ = 801760.

The previous prime is 2004433. The next prime is 2004461. The reversal of 2004440 is 444002.

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, 25016 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (281880).

2^2004440 is an apocalyptic number.

2004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004440 is an abundant number, since it is smaller than the sum of its proper divisors (2505640).

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

2004440 is a wasteful number, since it uses less digits than its factorization.

2004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50122 (or 50118 counting only the distinct ones).

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

The square root of 2004440 is about 1415.7824691668. The cubic root of 2004440 is about 126.0852702389.

Adding to 2004440 its reverse (444002), we get a palindrome (2448442).

The spelling of 2004440 in words is "two million, four thousand, four hundred forty".