888891 has 8 divisors (see below), whose sum is σ = 1192464. Its totient is φ = 588960.

The previous prime is 888887. The next prime is 888917. The reversal of 888891 is 198888.

It is a happy number.

888891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 888891 - 2² = 888887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (888871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (149058).

2⁸⁸⁸⁸⁹¹ is an apocalyptic number.

888891 is a deficient number, since it is larger than the sum of its proper divisors (303573).

888891 is a wasteful number, since it uses less digits than its factorization.

888891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its digits is 36864, while the sum is 42.

The square root of 888891 is about 942.8101611671. The cubic root of 888891 is about 96.1500474725.

It can be divided in two parts, 8888 and 91, that multiplied together give a palindrome (808808).

The spelling of 888891 in words is "eight hundred eighty-eight thousand, eight hundred ninety-one".