14286389 has 4 divisors (see below), whose sum is σ = 15385356. Its totient is φ = 13187424.

The previous prime is 14286379. The next prime is 14286413. The reversal of 14286389 is 98368241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98368241 = 1741 ⋅56501.

It can be written as a sum of positive squares in 2 ways, for example, as 3010225 + 11276164 = 1735^2 + 3358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14286389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14286359) 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, 549464 + ... + 549489.

It is an arithmetic number, because the mean of its divisors is an integer number (3846339).

Almost surely, 2^14286389 is an apocalyptic number.

It is an amenable number.

14286389 is a deficient number, since it is larger than the sum of its proper divisors (1098967).

14286389 is a wasteful number, since it uses less digits than its factorization.

14286389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098966.

The product of its digits is 82944, while the sum is 41.

The square root of 14286389 is about 3779.7339853487. The cubic root of 14286389 is about 242.6465702658.

The spelling of 14286389 in words is "fourteen million, two hundred eighty-six thousand, three hundred eighty-nine".