9813984 has 24 divisors (see below), whose sum is σ = 25761960. Its totient is φ = 3271296.

The previous prime is 9813971. The next prime is 9813997. The reversal of 9813984 is 4893189.

It is an interprime number because it is at equal distance from previous prime (9813971) and next prime (9813997).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51019 + ... + 51210.

It is an arithmetic number, because the mean of its divisors is an integer number (1073415).

Almost surely, 2^9813984 is an apocalyptic number.

It is an amenable number.

9813984 is an abundant number, since it is smaller than the sum of its proper divisors (15947976).

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

9813984 is a wasteful number, since it uses less digits than its factorization.

9813984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102242 (or 102234 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 9813984 is about 3132.7278847675. The cubic root of 9813984 is about 214.0992348451.

The spelling of 9813984 in words is "nine million, eight hundred thirteen thousand, nine hundred eighty-four".