9708641 has 4 divisors (see below), whose sum is σ = 9716784. Its totient is φ = 9700500.

The previous prime is 9708631. The next prime is 9708661. The reversal of 9708641 is 1468079.

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 9708641 - 2¹⁸ = 9446497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9708631) 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, 1895 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (2429196).

Almost surely, 2^9708641 is an apocalyptic number.

It is an amenable number.

9708641 is a deficient number, since it is larger than the sum of its proper divisors (8143).

9708641 is a wasteful number, since it uses less digits than its factorization.

9708641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 9708641 is about 3115.8692206189. The cubic root of 9708641 is about 213.3304326320.

The spelling of 9708641 in words is "nine million, seven hundred eight thousand, six hundred forty-one".