9869976 has 72 divisors (see below), whose sum is σ = 27854580. Its totient is φ = 3157056.

The previous prime is 9869969. The next prime is 9869999. The reversal of 9869976 is 6799689.

It is a tau number, because it is divible by the number of its divisors (72).

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 17 ways as a sum of consecutive naturals, for example, 60471 + ... + 60633.

Almost surely, 2^9869976 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 9869976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13927290).

9869976 is an abundant number, since it is smaller than the sum of its proper divisors (17984604).

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

9869976 is a wasteful number, since it uses less digits than its factorization.

9869976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 197 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 9869976 is about 3141.6517948366. The cubic root of 9869976 is about 214.5056317494.

The spelling of 9869976 in words is "nine million, eight hundred sixty-nine thousand, nine hundred seventy-six".