1044689 has 2 divisors, whose sum is σ = 1044690. Its totient is φ = 1044688.

The previous prime is 1044653. The next prime is 1044697. The reversal of 1044689 is 9864401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 78400 = 983^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1044619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522344 + 522345.

It is an arithmetic number, because the mean of its divisors is an integer number (522345).

2^1044689 is an apocalyptic number.

It is an amenable number.

1044689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044689 is an equidigital number, since it uses as much as digits as its factorization.

1044689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1044689 is about 1022.1002886214. The cubic root of 1044689 is about 101.4679782831.

The spelling of 1044689 in words is "one million, forty-four thousand, six hundred eighty-nine".