9281980 has 36 divisors (see below), whose sum is σ = 20035512. Its totient is φ = 3612000.

The previous prime is 9281977. The next prime is 9281999. The reversal of 9281980 is 891829.

9281980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36855 + ... + 37105.

It is an arithmetic number, because the mean of its divisors is an integer number (556542).

Almost surely, 2^9281980 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 9281980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10017756).

9281980 is an abundant number, since it is smaller than the sum of its proper divisors (10753532).

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

9281980 is a wasteful number, since it uses less digits than its factorization.

9281980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 9281980 is about 3046.6342084340. The cubic root of 9281980 is about 210.1584593886.

The spelling of 9281980 in words is "nine million, two hundred eighty-one thousand, nine hundred eighty".