14240809 has 8 divisors (see below), whose sum is σ = 15589728. Its totient is φ = 12900960.

The previous prime is 14240803. The next prime is 14240813. The reversal of 14240809 is 90804241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14240809 - 2⁹ = 14240297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14240803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269 + ... + 5485.

It is an arithmetic number, because the mean of its divisors is an integer number (1948716).

Almost surely, 2^14240809 is an apocalyptic number.

It is an amenable number.

14240809 is a deficient number, since it is larger than the sum of its proper divisors (1348919).

14240809 is a wasteful number, since it uses less digits than its factorization.

14240809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 14240809 is about 3773.6996435859. The cubic root of 14240809 is about 242.3882448180.

The spelling of 14240809 in words is "fourteen million, two hundred forty thousand, eight hundred nine".