9807680 has 28 divisors (see below), whose sum is σ = 23355300. Its totient is φ = 3922944.

The previous prime is 9807673. The next prime is 9807689. The reversal of 9807680 is 867089.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 8386816 = 1192^2 + 2896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9807689) 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, 15005 + ... + 15644.

Almost surely, 2^9807680 is an apocalyptic number.

It is an amenable number.

9807680 is an abundant number, since it is smaller than the sum of its proper divisors (13547620).

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

9807680 is a wasteful number, since it uses less digits than its factorization.

9807680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666 (or 30656 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 9807680 is about 3131.7215712767. The cubic root of 9807680 is about 214.0533829033.

The spelling of 9807680 in words is "nine million, eight hundred seven thousand, six hundred eighty".