14430421 has 4 divisors (see below), whose sum is σ = 14628172. Its totient is φ = 14232672.

The previous prime is 14430419. The next prime is 14430473. The reversal of 14430421 is 12403441.

14430421 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 can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 10329796 = 2025^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 14430421 - 2¹ = 14430419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14430721) 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, 98766 + ... + 98911.

It is an arithmetic number, because the mean of its divisors is an integer number (3657043).

Almost surely, 2^14430421 is an apocalyptic number.

It is an amenable number.

14430421 is a deficient number, since it is larger than the sum of its proper divisors (197751).

14430421 is an equidigital number, since it uses as much as digits as its factorization.

14430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197750.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 14430421 is about 3798.7393961682. The cubic root of 14430421 is about 243.4592803097.

Adding to 14430421 its reverse (12403441), we get a palindrome (26833862).

The spelling of 14430421 in words is "fourteen million, four hundred thirty thousand, four hundred twenty-one".