9687961 has 4 divisors (see below), whose sum is σ = 9719424. Its totient is φ = 9656500.

The previous prime is 9687947. The next prime is 9687989. The reversal of 9687961 is 1697869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9687961 - 2⁷ = 9687833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9687911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15265 + ... + 15886.

It is an arithmetic number, because the mean of its divisors is an integer number (2429856).

Almost surely, 2^9687961 is an apocalyptic number.

It is an amenable number.

9687961 is a deficient number, since it is larger than the sum of its proper divisors (31463).

9687961 is a wasteful number, since it uses less digits than its factorization.

9687961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462.

The product of its digits is 163296, while the sum is 46.

The square root of 9687961 is about 3112.5489554383. The cubic root of 9687961 is about 213.1788559957.

It can be divided in two parts, 9687 and 961, that added together give a cube (10648 = 22³).

The spelling of 9687961 in words is "nine million, six hundred eighty-seven thousand, nine hundred sixty-one".