8108840 has 32 divisors (see below), whose sum is σ = 18501480. Its totient is φ = 3197952.

The previous prime is 8108831. The next prime is 8108861. The reversal of 8108840 is 488018.

It can be written as a sum of positive squares in 4 ways, for example, as 5373124 + 2735716 = 2318^2 + 1654^2 .

It is a super-2 number, since 2×8108840² = 131506572291200, which contains 22 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 4308.

Almost surely, 2^8108840 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 8108840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9250740).

8108840 is an abundant number, since it is smaller than the sum of its proper divisors (10392640).

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

8108840 is a wasteful number, since it uses less digits than its factorization.

8108840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 8108840 is about 2847.6025003501. The cubic root of 8108840 is about 200.9029175651.

The spelling of 8108840 in words is "eight million, one hundred eight thousand, eight hundred forty".