8981984 has 96 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 3594240.

The previous prime is 8981981. The next prime is 8981989. The reversal of 8981984 is 4891898.

Its product of digits (165888) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981981) 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, 113657 + ... + 113735.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^8981984 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 8981984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10886400).

8981984 is an abundant number, since it is smaller than the sum of its proper divisors (12790816).

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

8981984 is a wasteful number, since it uses less digits than its factorization.

8981984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 128 counting only the distinct ones).

The product of its digits is 165888, while the sum is 47.

The square root of 8981984 is about 2996.9958291596. The cubic root of 8981984 is about 207.8694940704.

It can be divided in two parts, 898 and 1984, that added together give a palindrome (2882).

The spelling of 8981984 in words is "eight million, nine hundred eighty-one thousand, nine hundred eighty-four".