14243421 has 8 divisors (see below), whose sum is σ = 19017504. Its totient is φ = 9482480.

The previous prime is 14243413. The next prime is 14243447. The reversal of 14243421 is 12434241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14243421 - 2³ = 14243413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243401) 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, 390 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (2377188).

Almost surely, 2^14243421 is an apocalyptic number.

It is an amenable number.

14243421 is a deficient number, since it is larger than the sum of its proper divisors (4774083).

14243421 is an equidigital number, since it uses as much as digits as its factorization.

14243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571.

The product of its digits is 768, while the sum is 21.

The square root of 14243421 is about 3774.0457071954. The cubic root of 14243421 is about 242.4030632503.

Adding to 14243421 its reverse (12434241), we get a palindrome (26677662).

The spelling of 14243421 in words is "fourteen million, two hundred forty-three thousand, four hundred twenty-one".