9655984 has 30 divisors (see below), whose sum is σ = 20263956. Its totient is φ = 4455360.

The previous prime is 9655981. The next prime is 9655991. The reversal of 9655984 is 4895569.

9655984 = 150² + 151² + ... + 318².

It is not an unprimeable number, because it can be changed into a prime (9655981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 919 + ... + 4489.

Almost surely, 2^9655984 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 9655984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10131978).

9655984 is an abundant number, since it is smaller than the sum of its proper divisors (10607972).

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

9655984 is a wasteful number, since it uses less digits than its factorization.

9655984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605 (or 3586 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 9655984 is about 3107.4079230124. The cubic root of 9655984 is about 212.9440513710.

The spelling of 9655984 in words is "nine million, six hundred fifty-five thousand, nine hundred eighty-four".