14809993 has 4 divisors (see below), whose sum is σ = 16156368. Its totient is φ = 13463620.

The previous prime is 14809973. The next prime is 14810023. The reversal of 14809993 is 39990841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14809993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14809903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673171 + ... + 673192.

It is an arithmetic number, because the mean of its divisors is an integer number (4039092).

Almost surely, 2^14809993 is an apocalyptic number.

It is an amenable number.

14809993 is a deficient number, since it is larger than the sum of its proper divisors (1346375).

14809993 is a wasteful number, since it uses less digits than its factorization.

14809993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346374.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 14809993 is about 3848.3753715042. The cubic root of 14809993 is about 245.5754514415.

The spelling of 14809993 in words is "fourteen million, eight hundred nine thousand, nine hundred ninety-three".