9708561 has 12 divisors (see below), whose sum is σ = 14070160. Its totient is φ = 6450840.

The previous prime is 9708557. The next prime is 9708571. The reversal of 9708561 is 1658079.

9708561 is a `hidden beast` number, since 97 + 0 + 8 + 561 = 666.

It is not a de Polignac number, because 9708561 - 2² = 9708557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9708551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1350 + ... + 4608.

Almost surely, 2^9708561 is an apocalyptic number.

It is an amenable number.

9708561 is a deficient number, since it is larger than the sum of its proper divisors (4361599).

9708561 is a wasteful number, since it uses less digits than its factorization.

9708561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 9708561 is about 3115.8563830831. The cubic root of 9708561 is about 213.3298466770.

The spelling of 9708561 in words is "nine million, seven hundred eight thousand, five hundred sixty-one".