9439984 has 20 divisors (see below), whose sum is σ = 18391680. Its totient is φ = 4693760.

The previous prime is 9439973. The next prime is 9439987. The reversal of 9439984 is 4899349.

It is a super-2 number, since 2×9439984² = 178226595840512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (919584).

Almost surely, 2^9439984 is an apocalyptic number.

It is an amenable number.

9439984 is a deficient number, since it is larger than the sum of its proper divisors (8951696).

9439984 is a wasteful number, since it uses less digits than its factorization.

9439984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3282 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 9439984 is about 3072.4556953681. The cubic root of 9439984 is about 211.3442416481.

The spelling of 9439984 in words is "nine million, four hundred thirty-nine thousand, nine hundred eighty-four".