8194 has 8 divisors (see below), whose sum is σ = 13068. Its totient is φ = 3840.

The previous prime is 8191. The next prime is 8209. The reversal of 8194 is 4918.

8194 = T₆₂ + T₆₃ + ... + T₆₅.

8194 is nontrivially palindromic in base 4, base 8 and base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 7569 + 625 = 87^2 + 25^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 154.

8194 is a deficient number, since it is larger than the sum of its proper divisors (4874).

8194 is a wasteful number, since it uses less digits than its factorization.

8194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its digits is 288, while the sum is 22.

The square root of 8194 is about 90.5207158611. The cubic root of 8194 is about 20.1603771870.

It can be divided in two parts, 8 and 194, that added together give a palindrome (202).

The spelling of 8194 in words is "eight thousand, one hundred ninety-four".