8697220 has 96 divisors (see below), whose sum is σ = 22675968. Its totient is φ = 2737152.

The previous prime is 8697163. The next prime is 8697233. The reversal of 8697220 is 227968.

8697220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 119104 + ... + 119176.

It is an arithmetic number, because the mean of its divisors is an integer number (236208).

Almost surely, 2^8697220 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 8697220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11337984).

8697220 is an abundant number, since it is smaller than the sum of its proper divisors (13978748).

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

8697220 is a wasteful number, since it uses less digits than its factorization.

8697220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8697220 is about 2949.1049489633. The cubic root of 8697220 is about 205.6491025660.

The spelling of 8697220 in words is "eight million, six hundred ninety-seven thousand, two hundred twenty".