14807409 has 16 divisors (see below), whose sum is σ = 20120832. Its totient is φ = 9685008.

The previous prime is 14807381. The next prime is 14807413. The reversal of 14807409 is 90470841.

It is a de Polignac number, because none of the positive numbers 2^k-14807409 is a prime.

It is a super-2 number, since 2×14807409² = 438518722586562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14807409.

It is not an unprimeable number, because it can be changed into a prime (14807489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52182 + ... + 52464.

It is an arithmetic number, because the mean of its divisors is an integer number (1257552).

Almost surely, 2^14807409 is an apocalyptic number.

It is an amenable number.

14807409 is a deficient number, since it is larger than the sum of its proper divisors (5313423).

14807409 is a wasteful number, since it uses less digits than its factorization.

14807409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

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

The square root of 14807409 is about 3848.0396307731. The cubic root of 14807409 is about 245.5611682055.

The spelling of 14807409 in words is "fourteen million, eight hundred seven thousand, four hundred nine".