14427389 has 4 divisors (see below), whose sum is σ = 14448960. Its totient is φ = 14405820.

The previous prime is 14427353. The next prime is 14427401. The reversal of 14427389 is 98372441.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14427389 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 (14427319) 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, 9749 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (3612240).

Almost surely, 2^14427389 is an apocalyptic number.

It is an amenable number.

14427389 is a deficient number, since it is larger than the sum of its proper divisors (21571).

14427389 is an equidigital number, since it uses as much as digits as its factorization.

14427389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21570.

The product of its digits is 48384, while the sum is 38.

The square root of 14427389 is about 3798.3402954448. The cubic root of 14427389 is about 243.4422279025.

The spelling of 14427389 in words is "fourteen million, four hundred twenty-seven thousand, three hundred eighty-nine".