8198 has 4 divisors (see below), whose sum is σ = 12300. Its totient is φ = 4098.

The previous prime is 8191. The next prime is 8209. The reversal of 8198 is 8918.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 8198.

It is not an unprimeable number, because it can be changed into a prime (8191) by changing a digit.

8198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (3075).

2⁸¹⁹⁸ is an apocalyptic number.

8198 is a deficient number, since it is larger than the sum of its proper divisors (4102).

8198 is a wasteful number, since it uses less digits than its factorization.

8198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its digits is 576, while the sum is 26.

The square root of 8198 is about 90.5428075553. The cubic root of 8198 is about 20.1636571639.

The spelling of 8198 in words is "eight thousand, one hundred ninety-eight".