889871 has 2 divisors, whose sum is σ = 889872. Its totient is φ = 889870.

The previous prime is 889829. The next prime is 889873. The reversal of 889871 is 178988.

889871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889871 is a prime.

Together with 889873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444935 + 444936.

It is an arithmetic number, because the mean of its divisors is an integer number (444936).

2⁸⁸⁹⁸⁷¹ is an apocalyptic number.

889871 is a deficient number, since it is larger than the sum of its proper divisors (1).

889871 is an equidigital number, since it uses as much as digits as its factorization.

889871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 41.

The square root of 889871 is about 943.3297408648. The cubic root of 889871 is about 96.1853695534.

It can be divided in two parts, 88987 and 1, that added together give a palindrome (88988).

The spelling of 889871 in words is "eight hundred eighty-nine thousand, eight hundred seventy-one".