8218860 has 96 divisors (see below), whose sum is σ = 25486272. Its totient is φ = 1966080.

The previous prime is 8218853. The next prime is 8218897. The reversal of 8218860 is 688128.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31852 + ... + 32108.

It is an arithmetic number, because the mean of its divisors is an integer number (265482).

Almost surely, 2^8218860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8218860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12743136).

8218860 is an abundant number, since it is smaller than the sum of its proper divisors (17267412).

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

8218860 is a wasteful number, since it uses less digits than its factorization.

8218860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 8218860 is about 2866.8554201424. The cubic root of 8218860 is about 201.8074497543.

The spelling of 8218860 in words is "eight million, two hundred eighteen thousand, eight hundred sixty".