9708161 has 4 divisors (see below), whose sum is σ = 9715524. Its totient is φ = 9700800.

The previous prime is 9708143. The next prime is 9708187. The reversal of 9708161 is 1618079.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 970225 = 2956^2 + 985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9708161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9708121) 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 3 ways as a sum of consecutive naturals, for example, 1100 + ... + 4541.

It is an arithmetic number, because the mean of its divisors is an integer number (2428881).

Almost surely, 2^9708161 is an apocalyptic number.

It is an amenable number.

9708161 is a deficient number, since it is larger than the sum of its proper divisors (7363).

9708161 is a wasteful number, since it uses less digits than its factorization.

9708161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 9708161 is about 3115.7921946112. The cubic root of 9708161 is about 213.3269168535.

The spelling of 9708161 in words is "nine million, seven hundred eight thousand, one hundred sixty-one".