9764 has 6 divisors (see below), whose sum is σ = 17094. Its totient is φ = 4880.

The previous prime is 9749. The next prime is 9767. The reversal of 9764 is 4679.

It can be written as a sum of positive squares in only one way, i.e., 6400 + 3364 = 80^2 + 58^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9767) by changing a digit.

9764 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 (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (2849).

2⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

9764 is a deficient number, since it is larger than the sum of its proper divisors (7330).

9764 is a wasteful number, since it uses less digits than its factorization.

9764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 9764 is about 98.8129546163. The cubic root of 9764 is about 21.3735136844.

It can be divided in two parts, 97 and 64, that added together give a palindrome (161).

The spelling of 9764 in words is "nine thousand, seven hundred sixty-four".