9681860 has 24 divisors (see below), whose sum is σ = 20537496. Its totient is φ = 3833600.

The previous prime is 9681829. The next prime is 9681883. The reversal of 9681860 is 681869.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 4519876 = 2272^2 + 2126^2 .

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 7 ways as a sum of consecutive naturals, for example, 377 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (855729).

Almost surely, 2^9681860 is an apocalyptic number.

It is an amenable number.

9681860 is an abundant number, since it is smaller than the sum of its proper divisors (10855636).

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

9681860 is a wasteful number, since it uses less digits than its factorization.

9681860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903 (or 4901 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9681860 is about 3111.5687361844. The cubic root of 9681860 is about 213.1340967557.

The spelling of 9681860 in words is "nine million, six hundred eighty-one thousand, eight hundred sixty".