14309643 has 4 divisors (see below), whose sum is σ = 19079528. Its totient is φ = 9539760.

The previous prime is 14309623. The next prime is 14309653. The reversal of 14309643 is 34690341.

14309643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14309643 - 2⁹ = 14309131 is a prime.

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 14309643.

It is not an unprimeable number, because it can be changed into a prime (14309623) 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, 2384938 + ... + 2384943.

It is an arithmetic number, because the mean of its divisors is an integer number (4769882).

Almost surely, 2^14309643 is an apocalyptic number.

14309643 is a deficient number, since it is larger than the sum of its proper divisors (4769885).

14309643 is an equidigital number, since it uses as much as digits as its factorization.

14309643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769884.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 14309643 is about 3782.8088770119. The cubic root of 14309643 is about 242.7781510936.

Adding to 14309643 its reverse (34690341), we get a palindrome (48999984).

The spelling of 14309643 in words is "fourteen million, three hundred nine thousand, six hundred forty-three".