11909329 has 8 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 11690016.

The previous prime is 11909309. The next prime is 11909351. The reversal of 11909329 is 92390911.

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 11909329 - 2¹³ = 11901137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11909294 and 11909303.

It is not an unprimeable number, because it can be changed into a prime (11909309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18084 + ... + 18730.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 2^11909329 is an apocalyptic number.

It is an amenable number.

11909329 is a deficient number, since it is larger than the sum of its proper divisors (221231).

11909329 is an equidigital number, since it uses as much as digits as its factorization.

11909329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 11909329 is about 3450.9895682253. The cubic root of 11909329 is about 228.3647657133.

The spelling of 11909329 in words is "eleven million, nine hundred nine thousand, three hundred twenty-nine".