1044889 has 2 divisors, whose sum is σ = 1044890. Its totient is φ = 1044888.

The previous prime is 1044877. The next prime is 1044893. The reversal of 1044889 is 9884401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 4489 = 1020^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044889 - 2⁷ = 1044761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044809) 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, 522444 + 522445.

It is an arithmetic number, because the mean of its divisors is an integer number (522445).

2^1044889 is an apocalyptic number.

It is an amenable number.

1044889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044889 is an equidigital number, since it uses as much as digits as its factorization.

1044889 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 34.

The square root of 1044889 is about 1022.1981216966. The cubic root of 1044889 is about 101.4744530333.

The spelling of 1044889 in words is "one million, forty-four thousand, eight hundred eighty-nine".