889998 has 32 divisors (see below), whose sum is σ = 1933440. Its totient is φ = 272160.

The previous prime is 889997. The next prime is 890003. The reversal of 889998 is 899988.

889998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 889998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4113 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (60420).

2⁸⁸⁹⁹⁹⁸ is an apocalyptic number.

889998 is an abundant number, since it is smaller than the sum of its proper divisors (1043442).

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

889998 is a wasteful number, since it uses less digits than its factorization.

889998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its digits is 373248, while the sum is 51.

The square root of 889998 is about 943.3970532072. The cubic root of 889998 is about 96.1899451083.

The spelling of 889998 in words is "eight hundred eighty-nine thousand, nine hundred ninety-eight".