9687 has 4 divisors (see below), whose sum is σ = 12920. Its totient is φ = 6456.

The previous prime is 9679. The next prime is 9689. The reversal of 9687 is 7869.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9687 - 2³ = 9679 is a prime.

It is a D-number.

It is a Duffinian number.

9687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689) 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, 1612 + ... + 1617.

It is an arithmetic number, because the mean of its divisors is an integer number (3230).

2⁹⁶⁸⁷ is an apocalyptic number.

9687 is a deficient number, since it is larger than the sum of its proper divisors (3233).

9687 is a wasteful number, since it uses less digits than its factorization.

9687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its digits is 3024, while the sum is 30.

The square root of 9687 is about 98.4225583898. The cubic root of 9687 is about 21.3171806984.

It can be divided in two parts, 968 and 7, that multiplied together give a palindrome (6776).

The spelling of 9687 in words is "nine thousand, six hundred eighty-seven".