889928 has 32 divisors (see below), whose sum is σ = 1848000. Its totient is φ = 399168.

The previous prime is 889921. The next prime is 889937. The reversal of 889928 is 829988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889921) 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, 4373 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (57750).

2⁸⁸⁹⁹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924000).

889928 is an abundant number, since it is smaller than the sum of its proper divisors (958072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889928 is a wasteful number, since it uses less digits than its factorization.

889928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 257 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 889928 is about 943.3599525102. The cubic root of 889928 is about 96.1874232027.

The spelling of 889928 in words is "eight hundred eighty-nine thousand, nine hundred twenty-eight".