10340309 has 4 divisors (see below), whose sum is σ = 11817504. Its totient is φ = 8863116.

The previous prime is 10340299. The next prime is 10340321. The reversal of 10340309 is 90304301.

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 10340309 - 2⁸ = 10340053 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 (10340609) 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, 738587 + ... + 738600.

It is an arithmetic number, because the mean of its divisors is an integer number (2954376).

Almost surely, 2^10340309 is an apocalyptic number.

It is an amenable number.

10340309 is a deficient number, since it is larger than the sum of its proper divisors (1477195).

10340309 is an equidigital number, since it uses as much as digits as its factorization.

10340309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477194.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 10340309 is about 3215.6350850182. The cubic root of 10340309 is about 217.8601704088.

The spelling of 10340309 in words is "ten million, three hundred forty thousand, three hundred nine".