889992 has 48 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 289248.

The previous prime is 889963. The next prime is 889997. The reversal of 889992 is 299988.

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 889992.

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 11 ways as a sum of consecutive naturals, for example, 3253 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (51480).

2⁸⁸⁹⁹⁹² 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 889992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235520).

889992 is an abundant number, since it is smaller than the sum of its proper divisors (1581048).

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

889992 is a wasteful number, since it uses less digits than its factorization.

889992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 315 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 889992 is about 943.3938732046. The cubic root of 889992 is about 96.1897289501.

It can be divided in two parts, 889 and 992, that added together give a palindrome (1881).

The spelling of 889992 in words is "eight hundred eighty-nine thousand, nine hundred ninety-two".