8182818 has 48 divisors (see below), whose sum is σ = 20494656. Its totient is φ = 2311200.

The previous prime is 8182813. The next prime is 8182819.

It is a happy number.

8182818 is nontrivially palindromic in base 10.

8182818 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8182818² = 133917020842248, which contains 22 as substring.

8182818 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (8182813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12405 + ... + 13047.

It is an arithmetic number, because the mean of its divisors is an integer number (426972).

Almost surely, 2^8182818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8182818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10247328).

8182818 is an abundant number, since it is smaller than the sum of its proper divisors (12311838).

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

8182818 is a wasteful number, since it uses less digits than its factorization.

8182818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 756 counting only the distinct ones).

The product of its digits is 8192, while the sum is 36.

The square root of 8182818 is about 2860.5625320905. The cubic root of 8182818 is about 201.5120234520.

The spelling of 8182818 in words is "eight million, one hundred eighty-two thousand, eight hundred eighteen".