9889700 has 18 divisors (see below), whose sum is σ = 21460866. Its totient is φ = 3955840.

The previous prime is 9889697. The next prime is 9889717. The reversal of 9889700 is 79889.

It can be written as a sum of positive squares in 3 ways, for example, as 550564 + 9339136 = 742^2 + 3056^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49349 + ... + 49548.

Almost surely, 2^9889700 is an apocalyptic number.

It is an amenable number.

9889700 is an abundant number, since it is smaller than the sum of its proper divisors (11571166).

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

9889700 is a wasteful number, since it uses less digits than its factorization.

9889700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98911 (or 98904 counting only the distinct ones).

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

The square root of 9889700 is about 3144.7893411165. The cubic root of 9889700 is about 214.6484248652.

It can be divided in two parts, 98 and 89700, that added together give a palindrome (89798).

The spelling of 9889700 in words is "nine million, eight hundred eighty-nine thousand, seven hundred".