9198 has 24 divisors (see below), whose sum is σ = 23088. Its totient is φ = 2592.

The previous prime is 9187. The next prime is 9199. The reversal of 9198 is 8919.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9199) 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, 90 + ... + 162.

It is an arithmetic number, because the mean of its divisors is an integer number (962).

2⁹¹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11544).

9198 is an abundant number, since it is smaller than the sum of its proper divisors (13890).

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

9198 is a wasteful number, since it uses less digits than its factorization.

9198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 85 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 9198 is about 95.9062041789. The cubic root of 9198 is about 20.9522725627.

The spelling of 9198 in words is "nine thousand, one hundred ninety-eight".