8538880 has 72 divisors (see below), whose sum is σ = 23399712. Its totient is φ = 2924544.

The previous prime is 8538869. The next prime is 8538889. The reversal of 8538880 is 888358.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8538889) 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, 8484 + ... + 9436.

It is an arithmetic number, because the mean of its divisors is an integer number (324996).

Almost surely, 2^8538880 is an apocalyptic number.

8538880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11699856).

8538880 is an abundant number, since it is smaller than the sum of its proper divisors (14860832).

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

8538880 is an equidigital number, since it uses as much as digits as its factorization.

8538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8538880 is about 2922.1362049022. The cubic root of 8538880 is about 204.3934480381.

The spelling of 8538880 in words is "eight million, five hundred thirty-eight thousand, eight hundred eighty".