14394209 has 4 divisors (see below), whose sum is σ = 14462640. Its totient is φ = 14325780.

The previous prime is 14394187. The next prime is 14394227. The reversal of 14394209 is 90249341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14394209 - 2¹² = 14390113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14394269) 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 3 ways as a sum of consecutive naturals, for example, 33899 + ... + 34320.

It is an arithmetic number, because the mean of its divisors is an integer number (3615660).

Almost surely, 2^14394209 is an apocalyptic number.

It is an amenable number.

14394209 is a deficient number, since it is larger than the sum of its proper divisors (68431).

14394209 is an equidigital number, since it uses as much as digits as its factorization.

14394209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68430.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 14394209 is about 3793.9700842258. The cubic root of 14394209 is about 243.2554624578.

The spelling of 14394209 in words is "fourteen million, three hundred ninety-four thousand, two hundred nine".