9650 has 12 divisors (see below), whose sum is σ = 18042. Its totient is φ = 3840.

The previous prime is 9649. The next prime is 9661. The reversal of 9650 is 569.

9650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5929 + 3721 = 77^2 + 61^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 47 + ... + 146.

2⁹⁶⁵⁰ is an apocalyptic number.

9650 is a deficient number, since it is larger than the sum of its proper divisors (8392).

9650 is a wasteful number, since it uses less digits than its factorization.

9650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 9650 is about 98.2344135219. The cubic root of 9650 is about 21.2900053766.

The spelling of 9650 in words is "nine thousand, six hundred fifty".