9659791 has 8 divisors (see below), whose sum is σ = 10280304. Its totient is φ = 9045120.

The previous prime is 9659773. The next prime is 9659803. The reversal of 9659791 is 1979569.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9659791 - 2⁵ = 9659759 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 (9659711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (1285038).

Almost surely, 2^9659791 is an apocalyptic number.

9659791 is a deficient number, since it is larger than the sum of its proper divisors (620513).

9659791 is a wasteful number, since it uses less digits than its factorization.

9659791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its digits is 153090, while the sum is 46.

The square root of 9659791 is about 3108.0204310783. The cubic root of 9659791 is about 212.9720330345.

The spelling of 9659791 in words is "nine million, six hundred fifty-nine thousand, seven hundred ninety-one".