8664984 has 48 divisors (see below), whose sum is σ = 23652720. Its totient is φ = 2865600.

The previous prime is 8664979. The next prime is 8664991. The reversal of 8664984 is 4894668.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10474 + ... + 11270.

It is an arithmetic number, because the mean of its divisors is an integer number (492765).

Almost surely, 2^8664984 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 8664984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11826360).

8664984 is an abundant number, since it is smaller than the sum of its proper divisors (14987736).

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

8664984 is a wasteful number, since it uses less digits than its factorization.

8664984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 953 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8664984 is about 2943.6344881795. The cubic root of 8664984 is about 205.3947104798.

The spelling of 8664984 in words is "eight million, six hundred sixty-four thousand, nine hundred eighty-four".