9667961 has 4 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 9659124.

The previous prime is 9667943. The next prime is 9667963. The reversal of 9667961 is 1697669.

It is a happy number.

9667961 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9667961 - 2⁶ = 9667897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (9667963) 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, 2501 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^9667961 is an apocalyptic number.

It is an amenable number.

9667961 is a deficient number, since it is larger than the sum of its proper divisors (8839).

9667961 is a wasteful number, since it uses less digits than its factorization.

9667961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838.

The product of its digits is 122472, while the sum is 44.

The square root of 9667961 is about 3109.3344947110. The cubic root of 9667961 is about 213.0320581840.

It can be divided in two parts, 96 and 67961, that multiplied together give a palindrome (6524256).

The spelling of 9667961 in words is "nine million, six hundred sixty-seven thousand, nine hundred sixty-one".