1044389 has 4 divisors (see below), whose sum is σ = 1057056. Its totient is φ = 1031724.

The previous prime is 1044383. The next prime is 1044391. The reversal of 1044389 is 9834401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9834401 = 43 ⋅228707.

It is a cyclic number.

It is not a de Polignac number, because 1044389 - 2⁸ = 1044133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6209 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (264264).

2^1044389 is an apocalyptic number.

It is an amenable number.

1044389 is a deficient number, since it is larger than the sum of its proper divisors (12667).

1044389 is an equidigital number, since it uses as much as digits as its factorization.

1044389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1044389 is about 1021.9535214480. The cubic root of 1044389 is about 101.4582646083.

The spelling of 1044389 in words is "one million, forty-four thousand, three hundred eighty-nine".