1044661 has 4 divisors (see below), whose sum is σ = 1049824. Its totient is φ = 1039500.

The previous prime is 1044653. The next prime is 1044689. The reversal of 1044661 is 1664401.

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: 1664401 = 43 ⋅38707.

It is a cyclic number.

It is not a de Polignac number, because 1044661 - 2³ = 1044653 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 (1044161) 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 in 3 ways as a sum of consecutive naturals, for example, 2265 + ... + 2686.

It is an arithmetic number, because the mean of its divisors is an integer number (262456).

2^1044661 is an apocalyptic number.

It is an amenable number.

1044661 is a deficient number, since it is larger than the sum of its proper divisors (5163).

1044661 is an equidigital number, since it uses as much as digits as its factorization.

1044661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1044661 is about 1022.0865912436. The cubic root of 1044661 is about 101.4670717521.

The spelling of 1044661 in words is "one million, forty-four thousand, six hundred sixty-one".