8128218 has 24 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 2322264.

The previous prime is 8128217. The next prime is 8128243.

8128218 is nontrivially palindromic in base 10.

8128218 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8128213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530 + ... + 14117.

It is an arithmetic number, because the mean of its divisors is an integer number (787968).

Almost surely, 2^8128218 is an apocalyptic number.

8128218 is an abundant number, since it is smaller than the sum of its proper divisors (10783014).

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

8128218 is a wasteful number, since it uses less digits than its factorization.

8128218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27666 (or 27659 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 8128218 is about 2851.0029814085. The cubic root of 8128218 is about 201.0628253401.

The spelling of 8128218 in words is "eight million, one hundred twenty-eight thousand, two hundred eighteen".