11304309 has 8 divisors (see below), whose sum is σ = 15088320. Its totient is φ = 7528256.

The previous prime is 11304301. The next prime is 11304311. The reversal of 11304309 is 90340311.

11304309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11304309 - 2³ = 11304301 is a prime.

It is a super-3 number, since 3×11304309³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (1886040).

Almost surely, 2^11304309 is an apocalyptic number.

It is an amenable number.

11304309 is a deficient number, since it is larger than the sum of its proper divisors (3784011).

11304309 is a wasteful number, since it uses less digits than its factorization.

11304309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 11304309 is about 3362.1881268008. The cubic root of 11304309 is about 224.4302225428.

The spelling of 11304309 in words is "eleven million, three hundred four thousand, three hundred nine".