889828 has 12 divisors (see below), whose sum is σ = 1568700. Its totient is φ = 441632.

The previous prime is 889783. The next prime is 889829. The reversal of 889828 is 828988.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 451584 = 662^2 + 672^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (889829) by changing a digit.

889828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (130725).

2⁸⁸⁹⁸²⁸ is an apocalyptic number.

It is an amenable number.

889828 is a deficient number, since it is larger than the sum of its proper divisors (678872).

889828 is a wasteful number, since it uses less digits than its factorization.

889828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 889828 is about 943.3069489832. The cubic root of 889828 is about 96.1838202511.

The spelling of 889828 in words is "eight hundred eighty-nine thousand, eight hundred twenty-eight".