8947984 has 40 divisors (see below), whose sum is σ = 18668448. Its totient is φ = 4139520.

The previous prime is 8947973. The next prime is 8947987. The reversal of 8947984 is 4897498.

It is not an unprimeable number, because it can be changed into a prime (8947987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17979 + ... + 18469.

Almost surely, 2^8947984 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 8947984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9334224).

8947984 is an abundant number, since it is smaller than the sum of its proper divisors (9720464).

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

8947984 is a wasteful number, since it uses less digits than its factorization.

8947984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 577 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 8947984 is about 2991.3181041140. The cubic root of 8947984 is about 207.6068757986.

The spelling of 8947984 in words is "eight million, nine hundred forty-seven thousand, nine hundred eighty-four".