9791617 has 4 divisors (see below), whose sum is σ = 10681776. Its totient is φ = 8901460.

The previous prime is 9791603. The next prime is 9791641. The reversal of 9791617 is 7161979.

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.

It is a cyclic number.

It is not a de Polignac number, because 9791617 - 2²³ = 1403009 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 9791617.

It is not an unprimeable number, because it can be changed into a prime (9791657) 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, 445063 + ... + 445084.

It is an arithmetic number, because the mean of its divisors is an integer number (2670444).

Almost surely, 2^9791617 is an apocalyptic number.

It is an amenable number.

9791617 is a deficient number, since it is larger than the sum of its proper divisors (890159).

9791617 is a wasteful number, since it uses less digits than its factorization.

9791617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890158.

The product of its digits is 23814, while the sum is 40.

The square root of 9791617 is about 3129.1559564841. The cubic root of 9791617 is about 213.9364603045.

The spelling of 9791617 in words is "nine million, seven hundred ninety-one thousand, six hundred seventeen".