8530218 has 32 divisors (see below), whose sum is σ = 19365120. Its totient is φ = 2782080.

The previous prime is 8530213. The next prime is 8530219. The reversal of 8530218 is 8120358.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8530191 and 8530200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (605160).

Almost surely, 2^8530218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8530218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9682560).

8530218 is an abundant number, since it is smaller than the sum of its proper divisors (10834902).

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

8530218 is a wasteful number, since it uses less digits than its factorization.

8530218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 8530218 is about 2920.6536939528. The cubic root of 8530218 is about 204.3243111394.

It can be divided in two parts, 85 and 30218, that added together give a palindrome (30303).

The spelling of 8530218 in words is "eight million, five hundred thirty thousand, two hundred eighteen".