14436809 has 8 divisors (see below), whose sum is σ = 15181320. Its totient is φ = 13708800.

The previous prime is 14436787. The next prime is 14436811. The reversal of 14436809 is 90863441.

14436809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19600 + 14417209 = 140^2 + 3797^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14436809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14436889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (1897665).

Almost surely, 2^14436809 is an apocalyptic number.

It is an amenable number.

14436809 is a deficient number, since it is larger than the sum of its proper divisors (744511).

14436809 is an equidigital number, since it uses as much as digits as its factorization.

14436809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 14436809 is about 3799.5801083804. The cubic root of 14436809 is about 243.4951995309.

The spelling of 14436809 in words is "fourteen million, four hundred thirty-six thousand, eight hundred nine".