1073309 has 4 divisors (see below), whose sum is σ = 1079904. Its totient is φ = 1066716.

The previous prime is 1073297. The next prime is 1073311. The reversal of 1073309 is 9033701.

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.

It is a cyclic number.

It is not a de Polignac number, because 1073309 - 2⁸ = 1073053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073399) 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, 3047 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (269976).

2^1073309 is an apocalyptic number.

It is an amenable number.

1073309 is a deficient number, since it is larger than the sum of its proper divisors (6595).

1073309 is an equidigital number, since it uses as much as digits as its factorization.

1073309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 1073309 is about 1036.0062741123. The cubic root of 1073309 is about 102.3862390464.

The spelling of 1073309 in words is "one million, seventy-three thousand, three hundred nine".