9870880 has 96 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 3502080.

The previous prime is 9870871. The next prime is 9870907. The reversal of 9870880 is 880789.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51585 + ... + 51775.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^9870880 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 9870880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13063680).

9870880 is an abundant number, since it is smaller than the sum of its proper divisors (16256480).

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

9870880 is a wasteful number, since it uses less digits than its factorization.

9870880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 9870880 is about 3141.7956649025. The cubic root of 9870880 is about 214.5121804708.

The spelling of 9870880 in words is "nine million, eight hundred seventy thousand, eight hundred eighty".