2044990 has 16 divisors (see below), whose sum is σ = 3781152. Its totient is φ = 795744.

The previous prime is 2044979. The next prime is 2045009. The reversal of 2044990 is 994402.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2394 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (236322).

2^2044990 is an apocalyptic number.

2044990 is a deficient number, since it is larger than the sum of its proper divisors (1736162).

2044990 is a wasteful number, since it uses less digits than its factorization.

2044990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2044990 is about 1430.0314681852. The cubic root of 2044990 is about 126.9298391066.

The spelling of 2044990 in words is "two million, forty-four thousand, nine hundred ninety".