889888 has 12 divisors (see below), whose sum is σ = 1752030. Its totient is φ = 444928.

The previous prime is 889879. The next prime is 889891. The reversal of 889888 is 888988.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 204304 = 828^2 + 452^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13873 + ... + 13936.

2⁸⁸⁹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

889888 is a deficient number, since it is larger than the sum of its proper divisors (862142).

889888 is a wasteful number, since it uses less digits than its factorization.

889888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819 (or 27811 counting only the distinct ones).

The product of its digits is 294912, while the sum is 49.

The square root of 889888 is about 943.3387514568. The cubic root of 889888 is about 96.1859820545.

Subtracting from 889888 its reverse (888988), we obtain a square (900 = 30²).

It can be divided in two parts, 8 and 89888, that multiplied together give a square (719104 = 848²).

The spelling of 889888 in words is "eight hundred eighty-nine thousand, eight hundred eighty-eight".