9789800 has 48 divisors (see below), whose sum is σ = 23510400. Its totient is φ = 3787200.

The previous prime is 9789797. The next prime is 9789803. The reversal of 9789800 is 89879.

It is an interprime number because it is at equal distance from previous prime (9789797) and next prime (9789803).

It is not an unprimeable number, because it can be changed into a prime (9789803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5411 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (489800).

Almost surely, 2^9789800 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 9789800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11755200).

9789800 is an abundant number, since it is smaller than the sum of its proper divisors (13720600).

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

9789800 is a wasteful number, since it uses less digits than its factorization.

9789800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9789800 is about 3128.8656091306. The cubic root of 9789800 is about 213.9232263107.

The spelling of 9789800 in words is "nine million, seven hundred eighty-nine thousand, eight hundred".