9830128 has 80 divisors (see below), whose sum is σ = 24284160. Its totient is φ = 3744000.

The previous prime is 9830113. The next prime is 9830141. The reversal of 9830128 is 8210389.

It is a self number, because there is not a number n which added to its sum of digits gives 9830128.

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, 97278 + ... + 97378.

It is an arithmetic number, because the mean of its divisors is an integer number (303552).

Almost surely, 2^9830128 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 9830128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12142080).

9830128 is an abundant number, since it is smaller than the sum of its proper divisors (14454032).

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

9830128 is a wasteful number, since it uses less digits than its factorization.

9830128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 9830128 is about 3135.3034940816. The cubic root of 9830128 is about 214.2165682511.

The spelling of 9830128 in words is "nine million, eight hundred thirty thousand, one hundred twenty-eight".