14436421 has 8 divisors (see below), whose sum is σ = 14998784. Its totient is φ = 13880160.

The previous prime is 14436391. The next prime is 14436427. The reversal of 14436421 is 12463441.

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 14436421 - 2⁷ = 14436293 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 (14436427) 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, 3625 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (1874848).

Almost surely, 2^14436421 is an apocalyptic number.

It is an amenable number.

14436421 is a deficient number, since it is larger than the sum of its proper divisors (562363).

14436421 is a wasteful number, since it uses less digits than its factorization.

14436421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

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

The square root of 14436421 is about 3799.5290497639. The cubic root of 14436421 is about 243.4930181398.

Adding to 14436421 its reverse (12463441), we get a palindrome (26899862).

The spelling of 14436421 in words is "fourteen million, four hundred thirty-six thousand, four hundred twenty-one".