8318 has 4 divisors (see below), whose sum is σ = 12480.
Its totient is φ = 4158.
The previous prime is 8317. The next prime is 8329. The reversal of 8318 is 8138.
8318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 8318.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078 + ... + 2081.
It is an arithmetic number, because the mean of its divisors is an integer number (3120).
28318 is an apocalyptic number.
8318 is a deficient number, since it is larger than the sum of its proper divisors (4162).
8318 is a wasteful number, since it uses less digits than its factorization.
8318 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4161.
The product of its digits is 192, while the sum is 20.
The square root of 8318 is about 91.2030701238.
The cubic root of 8318 is about 20.2615642934.
Adding to 8318 its sum of digits (20), we get a palindrome (8338).
It can be divided in two parts, 83 and 18, that added together give a palindrome (101).
The spelling of 8318 in words is "eight thousand, three hundred eighteen".