8108820 has 72 divisors (see below), whose sum is σ = 25902240. Its totient is φ = 2047680.

The previous prime is 8108803. The next prime is 8108827. The reversal of 8108820 is 288018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8108827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2235 + ... + 4605.

Almost surely, 2^8108820 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 8108820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12951120).

8108820 is an abundant number, since it is smaller than the sum of its proper divisors (17793420).

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

8108820 is a wasteful number, since it uses less digits than its factorization.

8108820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 8108820 is about 2847.5989886218. The cubic root of 8108820 is about 200.9027523930.

The spelling of 8108820 in words is "eight million, one hundred eight thousand, eight hundred twenty".