14289409 has 4 divisors (see below), whose sum is σ = 14334804. Its totient is φ = 14244016.

The previous prime is 14289403. The next prime is 14289421. The reversal of 14289409 is 90498241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90498241 = 29 ⋅3120629.

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 10400625 = 1972^2 + 3225^2 .

It is a cyclic number.

It is not a de Polignac number, because 14289409 - 2⁵ = 14289377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14289403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22222 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (3583701).

Almost surely, 2^14289409 is an apocalyptic number.

It is an amenable number.

14289409 is a deficient number, since it is larger than the sum of its proper divisors (45395).

14289409 is an equidigital number, since it uses as much as digits as its factorization.

14289409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45394.

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

The square root of 14289409 is about 3780.1334632523. The cubic root of 14289409 is about 242.6636667487.

The spelling of 14289409 in words is "fourteen million, two hundred eighty-nine thousand, four hundred nine".