9800500 has 48 divisors (see below), whose sum is σ = 22683024. Its totient is φ = 3686400.

The previous prime is 9800491. The next prime is 9800519. The reversal of 9800500 is 50089.

It can be written as a sum of positive squares in 8 ways, for example, as 872356 + 8928144 = 934^2 + 2988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7924 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (472563).

Almost surely, 2^9800500 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 9800500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11341512).

9800500 is an abundant number, since it is smaller than the sum of its proper divisors (12882524).

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

9800500 is a wasteful number, since it uses less digits than its factorization.

9800500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9800500 is about 3130.5750270517. The cubic root of 9800500 is about 214.0011354643.

Adding to 9800500 its reverse (50089), we get a palindrome (9850589).

The spelling of 9800500 in words is "nine million, eight hundred thousand, five hundred".