9660880 has 40 divisors (see below), whose sum is σ = 22612392. Its totient is φ = 3838464.

The previous prime is 9660869. The next prime is 9660881. The reversal of 9660880 is 880669.

9660880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 8928144 = 856^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9660881) 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 7 ways as a sum of consecutive naturals, for example, 15454 + ... + 16066.

Almost surely, 2^9660880 is an apocalyptic number.

It is an amenable number.

9660880 is an abundant number, since it is smaller than the sum of its proper divisors (12951512).

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

9660880 is a wasteful number, since it uses less digits than its factorization.

9660880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 9660880 is about 3108.1956180395. The cubic root of 9660880 is about 212.9800358933.

The spelling of 9660880 in words is "nine million, six hundred sixty thousand, eight hundred eighty".