8107218 has 72 divisors (see below), whose sum is σ = 21071232. Its totient is φ = 2205792.

The previous prime is 8107207. The next prime is 8107219. The reversal of 8107218 is 8127018.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8107191 and 8107200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107219) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 172471 + ... + 172517.

It is an arithmetic number, because the mean of its divisors is an integer number (292656).

Almost surely, 2^8107218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8107218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10535616).

8107218 is an abundant number, since it is smaller than the sum of its proper divisors (12964014).

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

8107218 is a wasteful number, since it uses less digits than its factorization.

8107218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8107218 is about 2847.3176851205. The cubic root of 8107218 is about 200.8895212280.

The spelling of 8107218 in words is "eight million, one hundred seven thousand, two hundred eighteen".