14429809 has 4 divisors (see below), whose sum is σ = 15057216. Its totient is φ = 13802404.

The previous prime is 14429801. The next prime is 14429843. The reversal of 14429809 is 90892441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90892441 = 179 ⋅507779.

It is a cyclic number.

It is not a de Polignac number, because 14429809 - 2³ = 14429801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14429801) 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, 313669 + ... + 313714.

It is an arithmetic number, because the mean of its divisors is an integer number (3764304).

Almost surely, 2^14429809 is an apocalyptic number.

It is an amenable number.

14429809 is a deficient number, since it is larger than the sum of its proper divisors (627407).

14429809 is an equidigital number, since it uses as much as digits as its factorization.

14429809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627406.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 14429809 is about 3798.6588422758. The cubic root of 14429809 is about 243.4558385255.

The spelling of 14429809 in words is "fourteen million, four hundred twenty-nine thousand, eight hundred nine".