8899984 has 20 divisors (see below), whose sum is σ = 17839260. Its totient is φ = 4296320.

The previous prime is 8899949. The next prime is 8899987. The reversal of 8899984 is 4899988.

It can be written as a sum of positive squares in 2 ways, for example, as 5760000 + 3139984 = 2400^2 + 1772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8899987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9127 + ... + 10054.

It is an arithmetic number, because the mean of its divisors is an integer number (891963).

Almost surely, 2^8899984 is an apocalyptic number.

It is an amenable number.

8899984 is an abundant number, since it is smaller than the sum of its proper divisors (8939276).

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

8899984 is a wasteful number, since it uses less digits than its factorization.

8899984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218 (or 19212 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 8899984 is about 2983.2840964280. The cubic root of 8899984 is about 207.2349856200.

The spelling of 8899984 in words is "eight million, eight hundred ninety-nine thousand, nine hundred eighty-four".