9896980 has 12 divisors (see below), whose sum is σ = 20783700. Its totient is φ = 3958784.

The previous prime is 9896951. The next prime is 9896981. The reversal of 9896980 is 896989.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 7817616 = 1442^2 + 2796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247405 + ... + 247444.

It is an arithmetic number, because the mean of its divisors is an integer number (1731975).

Almost surely, 2^9896980 is an apocalyptic number.

It is an amenable number.

9896980 is an abundant number, since it is smaller than the sum of its proper divisors (10886720).

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

9896980 is a wasteful number, since it uses less digits than its factorization.

9896980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494858 (or 494856 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 9896980 is about 3145.9465984025. The cubic root of 9896980 is about 214.7010809033.

The spelling of 9896980 in words is "nine million, eight hundred ninety-six thousand, nine hundred eighty".