2044544 has 16 divisors (see below), whose sum is σ = 4073370. Its totient is φ = 1022208.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044544 is 4454402.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 506944 = 1240^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2044541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7859 + ... + 8114.

2^2044544 is an apocalyptic number.

It is an amenable number.

2044544 is a deficient number, since it is larger than the sum of its proper divisors (2028826).

2044544 is an equidigital number, since it uses as much as digits as its factorization.

2044544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987 (or 15975 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2044544 is about 1429.8755190575. The cubic root of 2044544 is about 126.9206108913.

Adding to 2044544 its reverse (4454402), we get a palindrome (6498946).

The spelling of 2044544 in words is "two million, forty-four thousand, five hundred forty-four".