14294421 has 8 divisors (see below), whose sum is σ = 21176960. Its totient is φ = 9529596.

The previous prime is 14294411. The next prime is 14294453. The reversal of 14294421 is 12449241.

It is a happy number.

It is not a de Polignac number, because 14294421 - 2¹⁰ = 14293397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 529423 = 14294421 / (1 + 4 + 2 + 9 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14294411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264685 + ... + 264738.

It is an arithmetic number, because the mean of its divisors is an integer number (2647120).

Almost surely, 2^14294421 is an apocalyptic number.

It is an amenable number.

14294421 is a deficient number, since it is larger than the sum of its proper divisors (6882539).

14294421 is an equidigital number, since it uses as much as digits as its factorization.

14294421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529432 (or 529426 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 14294421 is about 3780.7963446872. The cubic root of 14294421 is about 242.6920348015.

The spelling of 14294421 in words is "fourteen million, two hundred ninety-four thousand, four hundred twenty-one".