9631328 has 96 divisors (see below), whose sum is σ = 23869440. Its totient is φ = 3732480.

The previous prime is 9631327. The next prime is 9631331. The reversal of 9631328 is 8231369.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9631294 and 9631303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9631327) 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 15 ways as a sum of consecutive naturals, for example, 131900 + ... + 131972.

It is an arithmetic number, because the mean of its divisors is an integer number (248640).

Almost surely, 2^9631328 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 9631328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11934720).

9631328 is an abundant number, since it is smaller than the sum of its proper divisors (14238112).

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

9631328 is a wasteful number, since it uses less digits than its factorization.

9631328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 132 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 9631328 is about 3103.4380934699. The cubic root of 9631328 is about 212.7626500865.

The spelling of 9631328 in words is "nine million, six hundred thirty-one thousand, three hundred twenty-eight".