9611 has 4 divisors (see below), whose sum is σ = 10992. Its totient is φ = 8232.

The previous prime is 9601. The next prime is 9613. The reversal of 9611 is 1169.

9611 = 34² + 35² + ... + 40².

9611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1169 = 7 ⋅167.

It is not a de Polignac number, because 9611 - 2⁶ = 9547 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6, base 12 and base 16.

It is a nialpdrome in base 10.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 9611.

It is not an unprimeable number, because it can be changed into a prime (9613) by changing a digit.

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, 680 + ... + 693.

It is an arithmetic number, because the mean of its divisors is an integer number (2748).

2⁹⁶¹¹ is an apocalyptic number.

9611 is a deficient number, since it is larger than the sum of its proper divisors (1381).

9611 is a wasteful number, since it uses less digits than its factorization.

9611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 54, while the sum is 17.

The square root of 9611 is about 98.0357077804. The cubic root of 9611 is about 21.2612858159.

The spelling of 9611 in words is "nine thousand, six hundred eleven".