2404144 has 40 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 1117248.

The previous prime is 2404139. The next prime is 2404147. The reversal of 2404144 is 4414042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17227 + ... + 17365.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

2^2404144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499840).

2404144 is an abundant number, since it is smaller than the sum of its proper divisors (2595536).

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

2404144 is a wasteful number, since it uses less digits than its factorization.

2404144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2404144 is about 1550.5302318884. The cubic root of 2404144 is about 133.9636048778.

Adding to 2404144 its reverse (4414042), we get a palindrome (6818186).

The spelling of 2404144 in words is "two million, four hundred four thousand, one hundred forty-four".