888885 has 12 divisors (see below), whose sum is σ = 1540812. Its totient is φ = 474048.

The previous prime is 888871. The next prime is 888887. The reversal of 888885 is 588888.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 603729 = 534^2 + 777^2 .

It is not a de Polignac number, because 888885 - 2⁴ = 888869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 19753 = 888885 / (8 + 8 + 8 + 8 + 8 + 5).

It is a Curzon number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 888885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888887) 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, 9832 + ... + 9921.

It is an arithmetic number, because the mean of its divisors is an integer number (128401).

2⁸⁸⁸⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

888885 is a deficient number, since it is larger than the sum of its proper divisors (651927).

888885 is a wasteful number, since it uses less digits than its factorization.

888885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19764 (or 19761 counting only the distinct ones).

The product of its digits is 163840, while the sum is 45.

The square root of 888885 is about 942.8069791850. The cubic root of 888885 is about 96.1498311349.

The spelling of 888885 in words is "eight hundred eighty-eight thousand, eight hundred eighty-five".