989118 has 32 divisors (see below), whose sum is σ = 2368800. Its totient is φ = 304128.

The previous prime is 989099. The next prime is 989119. The reversal of 989118 is 811989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989119) by changing a digit.

989118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (74025).

2⁹⁸⁹¹¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184400).

989118 is an abundant number, since it is smaller than the sum of its proper divisors (1379682).

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

989118 is a wasteful number, since it uses less digits than its factorization.

989118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1427 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 989118 is about 994.5441166685. The cubic root of 989118 is about 99.6359428993.

It can be divided in two parts, 98 and 9118, that added together give a square (9216 = 96²).

The spelling of 989118 in words is "nine hundred eighty-nine thousand, one hundred eighteen".