2404644 has 24 divisors (see below), whose sum is σ = 6121248. Its totient is φ = 728640.

The previous prime is 2404643. The next prime is 2404669. The reversal of 2404644 is 4464042.

2404644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404643) 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, 8977 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (255052).

2^2404644 is an apocalyptic number.

It is an amenable number.

2404644 is an abundant number, since it is smaller than the sum of its proper divisors (3716604).

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

2404644 is a wasteful number, since it uses less digits than its factorization.

2404644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18235 (or 18233 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2404644 is about 1550.6914586725. The cubic root of 2404644 is about 133.9728912266.

Adding to 2404644 its reverse (4464042), we get a palindrome (6868686).

It can be divided in two parts, 24046 and 44, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 2404644 in words is "two million, four hundred four thousand, six hundred forty-four".