9983240 has 64 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 3778560.

The previous prime is 9983231. The next prime is 9983243. The reversal of 9983240 is 423899.

It is a self number, because there is not a number n which added to its sum of digits gives 9983240.

It is not an unprimeable number, because it can be changed into a prime (9983243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102872 + ... + 102968.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^9983240 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 9983240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

9983240 is an abundant number, since it is smaller than the sum of its proper divisors (13724920).

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

9983240 is a wasteful number, since it uses less digits than its factorization.

9983240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9983240 is about 3159.6265602125. The cubic root of 9983240 is about 215.3230406141.

The spelling of 9983240 in words is "nine million, nine hundred eighty-three thousand, two hundred forty".