9628 has 12 divisors (see below), whose sum is σ = 17640. Its totient is φ = 4592.

The previous prime is 9623. The next prime is 9629. The reversal of 9628 is 8269.

9628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9623) by changing a digit.

9628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 75 + ... + 157.

It is an arithmetic number, because the mean of its divisors is an integer number (1470).

2⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

9628 is a deficient number, since it is larger than the sum of its proper divisors (8012).

9628 is a wasteful number, since it uses less digits than its factorization.

9628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 114 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 9628 is about 98.1223725763. The cubic root of 9628 is about 21.2738141328.

The spelling of 9628 in words is "nine thousand, six hundred twenty-eight".