8979984 has 150 divisors (see below), whose sum is σ = 28830186. Its totient is φ = 2695680.

The previous prime is 8979973. The next prime is 8980003. The reversal of 8979984 is 4899798.

It can be written as a sum of positive squares in 3 ways, for example, as 685584 + 8294400 = 828^2 + 2880^2 .

It is a super-2 number, since 2×8979984² = 161280225280512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8979984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 219004 + ... + 219044.

Almost surely, 2^8979984 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 8979984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14415093).

8979984 is an abundant number, since it is smaller than the sum of its proper divisors (19850202).

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

8979984 is a wasteful number, since it uses less digits than its factorization.

8979984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 8979984 is about 2996.6621431186. The cubic root of 8979984 is about 207.8540643001.

The spelling of 8979984 in words is "eight million, nine hundred seventy-nine thousand, nine hundred eighty-four".