14319909 has 10 divisors (see below), whose sum is σ = 21391590. Its totient is φ = 9546552.

The previous prime is 14319887. The next prime is 14319931. The reversal of 14319909 is 90991341.

It is an interprime number because it is at equal distance from previous prime (14319887) and next prime (14319931).

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 4397409 = 3150^2 + 2097^2 .

It is not a de Polignac number, because 14319909 - 2⁸ = 14319653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14319959) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 88314 + ... + 88475.

It is an arithmetic number, because the mean of its divisors is an integer number (2139159).

Almost surely, 2^14319909 is an apocalyptic number.

It is an amenable number.

14319909 is a deficient number, since it is larger than the sum of its proper divisors (7071681).

14319909 is an equidigital number, since it uses as much as digits as its factorization.

14319909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176801 (or 176792 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 14319909 is about 3784.1655619172. The cubic root of 14319909 is about 242.8361950460.

The spelling of 14319909 in words is "fourteen million, three hundred nineteen thousand, nine hundred nine".