14389457 has 4 divisors (see below), whose sum is σ = 14397936. Its totient is φ = 14380980.

The previous prime is 14389439. The next prime is 14389469. The reversal of 14389457 is 75498341.

14389457 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75498341 = 53 ⋅1424497.

It is a cyclic number.

It is not a de Polignac number, because 14389457 - 2⁶ = 14389393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14379457) 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, 719 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (3599484).

Almost surely, 2^14389457 is an apocalyptic number.

It is an amenable number.

14389457 is a deficient number, since it is larger than the sum of its proper divisors (8479).

14389457 is an equidigital number, since it uses as much as digits as its factorization.

14389457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478.

The product of its digits is 120960, while the sum is 41.

The square root of 14389457 is about 3793.3437756154. The cubic root of 14389457 is about 243.2286906454.

The spelling of 14389457 in words is "fourteen million, three hundred eighty-nine thousand, four hundred fifty-seven".