9808988 has 24 divisors (see below), whose sum is σ = 20076672. Its totient is φ = 4105584.

The previous prime is 9808987. The next prime is 9809027. The reversal of 9808988 is 8898089.

9808988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9808987) 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, 2870 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (836528).

Almost surely, 2^9808988 is an apocalyptic number.

It is an amenable number.

9808988 is an abundant number, since it is smaller than the sum of its proper divisors (10267684).

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

9808988 is a wasteful number, since it uses less digits than its factorization.

9808988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201 (or 8199 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 9808988 is about 3131.9303951397. The cubic root of 9808988 is about 214.0628982144.

The spelling of 9808988 in words is "nine million, eight hundred eight thousand, nine hundred eighty-eight".