1044309 has 12 divisors (see below), whose sum is σ = 1598496. Its totient is φ = 594072.

The previous prime is 1044299. The next prime is 1044343. The reversal of 1044309 is 9034401.

It is not a de Polignac number, because 1044309 - 2⁷ = 1044181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4572 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (133208).

2^1044309 is an apocalyptic number.

It is an amenable number.

1044309 is a deficient number, since it is larger than the sum of its proper divisors (554187).

1044309 is an frugal number, since it uses more digits than its factorization.

1044309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1044309 is about 1021.9143799752. The cubic root of 1044309 is about 101.4556739808.

Multiplying 1044309 by its sum of digits (21), we get a square (21930489 = 4683²).

1044309 divided by its sum of digits (21) gives a square (49729 = 223²).

The spelling of 1044309 in words is "one million, forty-four thousand, three hundred nine".