8081984 has 28 divisors (see below), whose sum is σ = 16475964. Its totient is φ = 3930624.

The previous prime is 8081971. The next prime is 8082013. The reversal of 8081984 is 4891808.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 640000 = 2728^2 + 800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662 + ... + 4074.

Almost surely, 2^8081984 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 8081984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8237982).

8081984 is an abundant number, since it is smaller than the sum of its proper divisors (8393980).

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

8081984 is a wasteful number, since it uses less digits than its factorization.

8081984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 8081984 is about 2842.8830436724. The cubic root of 8081984 is about 200.6808793859.

The spelling of 8081984 in words is "eight million, eighty-one thousand, nine hundred eighty-four".