14389861 has 4 divisors (see below), whose sum is σ = 14399424. Its totient is φ = 14380300.

The previous prime is 14389841. The next prime is 14389867. The reversal of 14389861 is 16898341.

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.

It is a cyclic number.

It is not a de Polignac number, because 14389861 - 2⁷ = 14389733 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14389867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (3599856).

Almost surely, 2^14389861 is an apocalyptic number.

It is an amenable number.

14389861 is a deficient number, since it is larger than the sum of its proper divisors (9563).

14389861 is an equidigital number, since it uses as much as digits as its factorization.

14389861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562.

The product of its digits is 41472, while the sum is 40.

The square root of 14389861 is about 3793.3970264131. The cubic root of 14389861 is about 243.2309669294.

It can be divided in two parts, 143898 and 61, that multiplied together give a palindrome (8777778).

The spelling of 14389861 in words is "fourteen million, three hundred eighty-nine thousand, eight hundred sixty-one".