8840 has 32 divisors (see below), whose sum is σ = 22680. Its totient is φ = 3072.

The previous prime is 8839. The next prime is 8849. The reversal of 8840 is 488.

8840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

8840 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 2116 = 82^2 + 46^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

8840 is an undulating number in base 13.

8840 is strictly pandigital in base 6.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (8849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512 + ... + 528.

2⁸⁸⁴⁰ 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 8840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11340).

8840 is an abundant number, since it is smaller than the sum of its proper divisors (13840).

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

8840 is a wasteful number, since it uses less digits than its factorization.

8840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8840 is about 94.0212741883. The cubic root of 8840 is about 20.6768362483.

It can be divided in two parts, 88 and 40, that added together give a 7-th power (128 = 2⁷).

The spelling of 8840 in words is "eight thousand, eight hundred forty".