14346421 has 4 divisors (see below), whose sum is σ = 14651712. Its totient is φ = 14041132.

The previous prime is 14346403. The next prime is 14346439. The reversal of 14346421 is 12464341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12464341 = 2917 ⋅4273.

It is an interprime number because it is at equal distance from previous prime (14346403) and next prime (14346439).

It is a cyclic number.

It is not a de Polignac number, because 14346421 - 2¹⁵ = 14313653 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 (14346401) 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, 152575 + ... + 152668.

It is an arithmetic number, because the mean of its divisors is an integer number (3662928).

Almost surely, 2^14346421 is an apocalyptic number.

It is an amenable number.

14346421 is a deficient number, since it is larger than the sum of its proper divisors (305291).

14346421 is an equidigital number, since it uses as much as digits as its factorization.

14346421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305290.

The product of its digits is 2304, while the sum is 25.

The square root of 14346421 is about 3787.6669600164. Note that the first 3 decimals coincide. The cubic root of 14346421 is about 242.9859656467.

It can be divided in two parts, 143 and 46421, that added together give a palindrome (46564).

The spelling of 14346421 in words is "fourteen million, three hundred forty-six thousand, four hundred twenty-one".