14089909 has 2 divisors, whose sum is σ = 14089910. Its totient is φ = 14089908.

The previous prime is 14089897. The next prime is 14089919. The reversal of 14089909 is 90998041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14085009 + 4900 = 3753^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 14089909 - 2⁵ = 14089877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14089919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7044954 + 7044955.

It is an arithmetic number, because the mean of its divisors is an integer number (7044955).

Almost surely, 2^14089909 is an apocalyptic number.

It is an amenable number.

14089909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14089909 is an equidigital number, since it uses as much as digits as its factorization.

14089909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 14089909 is about 3753.6527543181. The cubic root of 14089909 is about 241.5290627392.

The spelling of 14089909 in words is "fourteen million, eighty-nine thousand, nine hundred nine".