14043409 has 4 divisors (see below), whose sum is σ = 14654016. Its totient is φ = 13432804.

The previous prime is 14043391. The next prime is 14043427. The reversal of 14043409 is 90434041.

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: 90434041 = 157 ⋅576013.

It is an interprime number because it is at equal distance from previous prime (14043391) and next prime (14043427).

It is a cyclic number.

It is not a de Polignac number, because 14043409 - 2¹⁵ = 14010641 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (14043439) 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, 305269 + ... + 305314.

It is an arithmetic number, because the mean of its divisors is an integer number (3663504).

Almost surely, 2^14043409 is an apocalyptic number.

It is an amenable number.

14043409 is a deficient number, since it is larger than the sum of its proper divisors (610607).

14043409 is an equidigital number, since it uses as much as digits as its factorization.

14043409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610606.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 14043409 is about 3747.4536688263. The cubic root of 14043409 is about 241.2630690836.

The spelling of 14043409 in words is "fourteen million, forty-three thousand, four hundred nine".