8606643984 has 105 divisors (see below), whose sum is σ = 25030761303. Its totient is φ = 2865541536.

The previous prime is 8606643967. The next prime is 8606643989. The reversal of 8606643984 is 4893466068.

The square root of 8606643984 is 92772.

It is a perfect power (a square), and thus also a powerful number.

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 8606643984.

It is not an unprimeable number, because it can be changed into a prime (8606643989) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 10018947 + ... + 10019805.

Almost surely, 2^8606643984 is an apocalyptic number.

8606643984 is the 92772-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8606643984

8606643984 is an abundant number, since it is smaller than the sum of its proper divisors (16424117319).

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

8606643984 is an frugal number, since it uses more digits than its factorization.

8606643984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The cubic root of 8606643984 is about 2049.3270830441.

The spelling of 8606643984 in words is "eight billion, six hundred six million, six hundred forty-three thousand, nine hundred eighty-four".