9671 has 4 divisors (see below), whose sum is σ = 10200. Its totient is φ = 9144.

The previous prime is 9661. The next prime is 9677. The reversal of 9671 is 1769.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1769 = 29 ⋅61.

It is a cyclic number.

It is not a de Polignac number, because 9671 - 2¹⁰ = 8647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9671.

It is not an unprimeable number, because it can be changed into a prime (9677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 273.

It is an arithmetic number, because the mean of its divisors is an integer number (2550).

2⁹⁶⁷¹ is an apocalyptic number.

9671 is a deficient number, since it is larger than the sum of its proper divisors (529).

9671 is a wasteful number, since it uses less digits than its factorization.

9671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its digits is 378, while the sum is 23.

The square root of 9671 is about 98.3412426198. The cubic root of 9671 is about 21.3054377147.

The spelling of 9671 in words is "nine thousand, six hundred seventy-one".