11909339 has 4 divisors (see below), whose sum is σ = 12825456. Its totient is φ = 10993224.

The previous prime is 11909309. The next prime is 11909351. The reversal of 11909339 is 93390911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93390911 = 17 ⋅5493583.

It is a cyclic number.

It is not a de Polignac number, because 11909339 - 2⁸ = 11909083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11909299 and 11909308.

It is not an unprimeable number, because it can be changed into a prime (11909309) 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, 458039 + ... + 458064.

It is an arithmetic number, because the mean of its divisors is an integer number (3206364).

Almost surely, 2^11909339 is an apocalyptic number.

11909339 is a deficient number, since it is larger than the sum of its proper divisors (916117).

11909339 is an equidigital number, since it uses as much as digits as its factorization.

11909339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916116.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 11909339 is about 3450.9910170848. The cubic root of 11909339 is about 228.3648296308.

The spelling of 11909339 in words is "eleven million, nine hundred nine thousand, three hundred thirty-nine".