8818 has 4 divisors (see below), whose sum is σ = 13230. Its totient is φ = 4408.

The previous prime is 8807. The next prime is 8819. The reversal of 8818 is 8188.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8649 + 169 = 93^2 + 13^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8792 and 8801.

It is not an unprimeable number, because it can be changed into a prime (8819) by changing a digit.

8818 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 as a sum of consecutive naturals, namely, 2203 + ... + 2206.

2⁸⁸¹⁸ is an apocalyptic number.

8818 is a deficient number, since it is larger than the sum of its proper divisors (4412).

8818 is a wasteful number, since it uses less digits than its factorization.

8818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411.

The product of its digits is 512, while the sum is 25.

The square root of 8818 is about 93.9042065085. The cubic root of 8818 is about 20.6596692694.

Subtracting from 8818 its reverse (8188), we obtain a triangular number (630 = T₃₅).

The spelling of 8818 in words is "eight thousand, eight hundred eighteen".