14407809 has 16 divisors (see below), whose sum is σ = 21403200. Its totient is φ = 8559936.

The previous prime is 14407793. The next prime is 14407829. The reversal of 14407809 is 90870441.

14407809 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14407809 - 2⁴ = 14407793 is a prime.

It is a super-3 number, since 3×14407809³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14407809.

It is not an unprimeable number, because it can be changed into a prime (14407829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5239 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (1337700).

Almost surely, 2^14407809 is an apocalyptic number.

It is an amenable number.

14407809 is a deficient number, since it is larger than the sum of its proper divisors (6995391).

14407809 is a wasteful number, since it uses less digits than its factorization.

14407809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 14407809 is about 3795.7619788390. The cubic root of 14407809 is about 243.3320495752.

The spelling of 14407809 in words is "fourteen million, four hundred seven thousand, eight hundred nine".