14499809 has 4 divisors (see below), whose sum is σ = 14530560. Its totient is φ = 14469060.

The previous prime is 14499799. The next prime is 14499811. The reversal of 14499809 is 90899441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90899441 = 293 ⋅310237.

It is a cyclic number.

It is not a de Polignac number, because 14499809 - 2⁸ = 14499553 is a prime.

It is a super-2 number, since 2×14499809² = 420488922072962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14499809.

It is not an unprimeable number, because it can be changed into a prime (14499839) 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, 14657 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (3632640).

Almost surely, 2^14499809 is an apocalyptic number.

It is an amenable number.

14499809 is a deficient number, since it is larger than the sum of its proper divisors (30751).

14499809 is an equidigital number, since it uses as much as digits as its factorization.

14499809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30750.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 14499809 is about 3807.8614733207. The cubic root of 14499809 is about 243.8488773515.

The spelling of 14499809 in words is "fourteen million, four hundred ninety-nine thousand, eight hundred nine".