9870500 has 48 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 3736800.

The previous prime is 9870499. The next prime is 9870503. The reversal of 9870500 is 50789.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9870503) by changing a digit.

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, 8981 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (473200).

Almost surely, 2^9870500 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 9870500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11356800).

9870500 is an abundant number, since it is smaller than the sum of its proper divisors (12843100).

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

9870500 is a wasteful number, since it uses less digits than its factorization.

9870500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 9870500 is about 3141.7351893500. The cubic root of 9870500 is about 214.5094277384.

The spelling of 9870500 in words is "nine million, eight hundred seventy thousand, five hundred".