14889891 has 8 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 9899912.

The previous prime is 14889877. The next prime is 14889913. The reversal of 14889891 is 19898841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14889891 - 2⁵ = 14889859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14889891.

It is not an unprimeable number, because it can be changed into a prime (14889811) 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 7 ways as a sum of consecutive naturals, for example, 5331 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (2488320).

Almost surely, 2^14889891 is an apocalyptic number.

14889891 is a deficient number, since it is larger than the sum of its proper divisors (5016669).

14889891 is a wasteful number, since it uses less digits than its factorization.

14889891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its digits is 165888, while the sum is 48.

The square root of 14889891 is about 3858.7421525673. The cubic root of 14889891 is about 246.0162756103.

The spelling of 14889891 in words is "fourteen million, eight hundred eighty-nine thousand, eight hundred ninety-one".