9988832 has 48 divisors (see below), whose sum is σ = 23667840. Its totient is φ = 4053888.

The previous prime is 9988817. The next prime is 9988873. The reversal of 9988832 is 2388899.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3083 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (493080).

Almost surely, 2^9988832 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 9988832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11833920).

9988832 is an abundant number, since it is smaller than the sum of its proper divisors (13679008).

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

9988832 is a wasteful number, since it uses less digits than its factorization.

9988832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2375 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 9988832 is about 3160.5113510317. The cubic root of 9988832 is about 215.3632367059.

The spelling of 9988832 in words is "nine million, nine hundred eighty-eight thousand, eight hundred thirty-two".