14743809 has 8 divisors (see below), whose sum is σ = 21842720. Its totient is φ = 9829188.

The previous prime is 14743793. The next prime is 14743823. The reversal of 14743809 is 90834741.

It is a happy number.

It is not a de Polignac number, because 14743809 - 2⁴ = 14743793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14743009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273007 + ... + 273060.

It is an arithmetic number, because the mean of its divisors is an integer number (2730340).

Almost surely, 2^14743809 is an apocalyptic number.

It is an amenable number.

14743809 is a deficient number, since it is larger than the sum of its proper divisors (7098911).

14743809 is an equidigital number, since it uses as much as digits as its factorization.

14743809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546076 (or 546070 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14743809 is about 3839.7667897934. The cubic root of 14743809 is about 245.2090898665.

It can be divided in two parts, 147 and 43809, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 14743809 in words is "fourteen million, seven hundred forty-three thousand, eight hundred nine".