14609891 has 2 divisors, whose sum is σ = 14609892. Its totient is φ = 14609890.

The previous prime is 14609869. The next prime is 14609893. The reversal of 14609891 is 19890641.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19890641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14609891 is a prime.

Together with 14609893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14609893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7304945 + 7304946.

It is an arithmetic number, because the mean of its divisors is an integer number (7304946).

Almost surely, 2^14609891 is an apocalyptic number.

14609891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14609891 is an equidigital number, since it uses as much as digits as its factorization.

14609891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 14609891 is about 3822.2887122770. The cubic root of 14609891 is about 244.4644193885.

The spelling of 14609891 in words is "fourteen million, six hundred nine thousand, eight hundred ninety-one".