2544944 has 10 divisors (see below), whose sum is σ = 4930860. Its totient is φ = 1272464.

The previous prime is 2544943. The next prime is 2544959. The reversal of 2544944 is 4494452.

It is a self number, because there is not a number n which added to its sum of digits gives 2544944.

It is not an unprimeable number, because it can be changed into a prime (2544943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79514 + ... + 79545.

It is an arithmetic number, because the mean of its divisors is an integer number (493086).

2^2544944 is an apocalyptic number.

It is an amenable number.

2544944 is a deficient number, since it is larger than the sum of its proper divisors (2385916).

2544944 is a wasteful number, since it uses less digits than its factorization.

2544944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159067 (or 159061 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2544944 is about 1595.2880617619. The cubic root of 2544944 is about 136.5293670350.

It can be divided in two parts, 25449 and 44, that multiplied together give a triangular number (1119756 = T₁₄₉₆).

The spelling of 2544944 in words is "two million, five hundred forty-four thousand, nine hundred forty-four".