14306409 has 16 divisors (see below), whose sum is σ = 22825600. Its totient is φ = 8803728.

The previous prime is 14306399. The next prime is 14306431. The reversal of 14306409 is 90460341.

14306409 is a `hidden beast` number, since 14 + 3 + 0 + 640 + 9 = 666.

14306409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14306409 - 2⁸ = 14306153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14306459) 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, 20029 + ... + 20730.

It is an arithmetic number, because the mean of its divisors is an integer number (1426600).

Almost surely, 2^14306409 is an apocalyptic number.

It is an amenable number.

14306409 is a deficient number, since it is larger than the sum of its proper divisors (8519191).

14306409 is a wasteful number, since it uses less digits than its factorization.

14306409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40781 (or 40775 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 14306409 is about 3782.3813927207. The cubic root of 14306409 is about 242.7598603112.

The spelling of 14306409 in words is "fourteen million, three hundred six thousand, four hundred nine".