9447984 has 180 divisors, whose sum is σ = 33445776. Its totient is φ = 2467584.

The previous prime is 9447983. The next prime is 9448001. The reversal of 9447984 is 4897449.

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

Its product of digits (290304) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9447983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91677 + ... + 91779.

Almost surely, 2^9447984 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 9447984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16722888).

9447984 is an abundant number, since it is smaller than the sum of its proper divisors (23997792).

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

9447984 is a wasteful number, since it uses less digits than its factorization.

9447984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 128 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 9447984 is about 3073.7573098734. The cubic root of 9447984 is about 211.4039266554.

The spelling of 9447984 in words is "nine million, four hundred forty-seven thousand, nine hundred eighty-four".