2044904 has 8 divisors (see below), whose sum is σ = 3834210. Its totient is φ = 1022448.

The previous prime is 2044901. The next prime is 2044909. The reversal of 2044904 is 4094402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 4 = 1430^2 + 2^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2044904.

It is not an unprimeable number, because it can be changed into a prime (2044901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127799 + ... + 127814.

2^2044904 is an apocalyptic number.

It is an amenable number.

2044904 is a deficient number, since it is larger than the sum of its proper divisors (1789306).

2044904 is a wasteful number, since it uses less digits than its factorization.

2044904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255619 (or 255615 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2044904 is about 1430.0013986007. The cubic root of 2044904 is about 126.9280597794.

The spelling of 2044904 in words is "two million, forty-four thousand, nine hundred four".