11408909 has 2 divisors, whose sum is σ = 11408910. Its totient is φ = 11408908.

The previous prime is 11408879. The next prime is 11408927. The reversal of 11408909 is 90980411.

11408909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 1188100 = 3197^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11408909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11408609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704454 + 5704455.

It is an arithmetic number, because the mean of its divisors is an integer number (5704455).

Almost surely, 2^11408909 is an apocalyptic number.

It is an amenable number.

11408909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11408909 is an equidigital number, since it uses as much as digits as its factorization.

11408909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11408909 is about 3377.7076546084. The cubic root of 11408909 is about 225.1203241197.

The spelling of 11408909 in words is "eleven million, four hundred eight thousand, nine hundred nine".