9988760 has 64 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 3773952.

The previous prime is 9988757. The next prime is 9988793. The reversal of 9988760 is 678899.

It is a nialpdrome in base 10.

It is a congruent number.

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, 91586 + ... + 91694.

It is an arithmetic number, because the mean of its divisors is an integer number (371250).

Almost surely, 2^9988760 is an apocalyptic number.

It is a pronic number, being equal to 3160×3161.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9988760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11880000).

9988760 is an abundant number, since it is smaller than the sum of its proper divisors (13771240).

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

9988760 is a wasteful number, since it uses less digits than its factorization.

9988760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9988760 is about 3160.4999604493. The cubic root of 9988760 is about 215.3627192550.

The spelling of 9988760 in words is "nine million, nine hundred eighty-eight thousand, seven hundred sixty".