9660961 has 4 divisors (see below), whose sum is σ = 9673092. Its totient is φ = 9648832.

The previous prime is 9660941. The next prime is 9660979. The reversal of 9660961 is 1690669.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 3629025 = 2456^2 + 1905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9660961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9660961.

It is not an unprimeable number, because it can be changed into a prime (9660901) 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, 4780 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (2418273).

Almost surely, 2^9660961 is an apocalyptic number.

It is an amenable number.

9660961 is a deficient number, since it is larger than the sum of its proper divisors (12131).

9660961 is a wasteful number, since it uses less digits than its factorization.

9660961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9660961 is about 3108.2086480801. The cubic root of 9660961 is about 212.9806311232.

The spelling of 9660961 in words is "nine million, six hundred sixty thousand, nine hundred sixty-one".