14382809 has 4 divisors (see below), whose sum is σ = 16437504. Its totient is φ = 12328116.

The previous prime is 14382793. The next prime is 14382847. The reversal of 14382809 is 90828341.

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 14382809 - 2⁴ = 14382793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14382859) 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, 1027337 + ... + 1027350.

It is an arithmetic number, because the mean of its divisors is an integer number (4109376).

Almost surely, 2^14382809 is an apocalyptic number.

It is an amenable number.

14382809 is a deficient number, since it is larger than the sum of its proper divisors (2054695).

14382809 is an equidigital number, since it uses as much as digits as its factorization.

14382809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054694.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 14382809 is about 3792.4674026285. The cubic root of 14382809 is about 243.1912272578.

The spelling of 14382809 in words is "fourteen million, three hundred eighty-two thousand, eight hundred nine".