8199984 has 80 divisors (see below), whose sum is σ = 24185952. Its totient is φ = 2371584.

The previous prime is 8199979. The next prime is 8200007. The reversal of 8199984 is 4899918.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10222 + ... + 10994.

Almost surely, 2^8199984 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 8199984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12092976).

8199984 is an abundant number, since it is smaller than the sum of its proper divisors (15985968).

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

8199984 is a wasteful number, since it uses less digits than its factorization.

8199984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 808 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 8199984 is about 2863.5614189327. The cubic root of 8199984 is about 201.6528363653.

The spelling of 8199984 in words is "eight million, one hundred ninety-nine thousand, nine hundred eighty-four".