14859891 has 12 divisors (see below), whose sum is σ = 21537360. Its totient is φ = 9872880.

The previous prime is 14859877. The next prime is 14859899. The reversal of 14859891 is 19895841.

It is a de Polignac number, because none of the positive numbers 2^k-14859891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14859899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (1794780).

Almost surely, 2^14859891 is an apocalyptic number.

14859891 is a deficient number, since it is larger than the sum of its proper divisors (6677469).

14859891 is a wasteful number, since it uses less digits than its factorization.

14859891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5623 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 14859891 is about 3854.8529154820. The cubic root of 14859891 is about 245.8509408308.

The spelling of 14859891 in words is "fourteen million, eight hundred fifty-nine thousand, eight hundred ninety-one".