9381680 has 80 divisors (see below), whose sum is σ = 27212544. Its totient is φ = 2922240.

The previous prime is 9381679. The next prime is 9381719. The reversal of 9381680 is 861839.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 9381680.

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 15 ways as a sum of consecutive naturals, for example, 5399 + ... + 6921.

Almost surely, 2^9381680 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 9381680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13606272).

9381680 is an abundant number, since it is smaller than the sum of its proper divisors (17830864).

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

9381680 is a wasteful number, since it uses less digits than its factorization.

9381680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9381680 is about 3062.9528236654. The cubic root of 9381680 is about 210.9082355927.

The spelling of 9381680 in words is "nine million, three hundred eighty-one thousand, six hundred eighty".