2044489 has 2 divisors, whose sum is σ = 2044490. Its totient is φ = 2044488.

The previous prime is 2044487. The next prime is 2044499. The reversal of 2044489 is 9844402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 585225 = 1208^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044489 - 2¹ = 2044487 is a prime.

It is a super-2 number, since 2×2044489² = 8359870542242, which contains 22 as substring.

Together with 2044487, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2044489.

It is not a weakly prime, because it can be changed into another prime (2044487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022244 + 1022245.

It is an arithmetic number, because the mean of its divisors is an integer number (1022245).

2^2044489 is an apocalyptic number.

It is an amenable number.

2044489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044489 is an equidigital number, since it uses as much as digits as its factorization.

2044489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2044489 is about 1429.8562864848. The cubic root of 2044489 is about 126.9194727897.

The spelling of 2044489 in words is "two million, forty-four thousand, four hundred eighty-nine".