2044004 has 6 divisors (see below), whose sum is σ = 3577014. Its totient is φ = 1022000.

The previous prime is 2043997. The next prime is 2044013. The reversal of 2044004 is 4004402.

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 78400 = 1402^2 + 280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2044004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255497 + ... + 255504.

It is an arithmetic number, because the mean of its divisors is an integer number (596169).

2^2044004 is an apocalyptic number.

It is an amenable number.

2044004 is a deficient number, since it is larger than the sum of its proper divisors (1533010).

2044004 is a wasteful number, since it uses less digits than its factorization.

2044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511005 (or 511003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2044004 is about 1429.6866789615. The cubic root of 2044004 is about 126.9094359195.

Adding to 2044004 its reverse (4004402), we get a palindrome (6048406).

The spelling of 2044004 in words is "two million, forty-four thousand, four", and thus it is an eban number.