9591967 has 16 divisors (see below), whose sum is σ = 12241152. Its totient is φ = 7297920.

The previous prime is 9591949. The next prime is 9591977. The reversal of 9591967 is 7691959.

It is not a de Polignac number, because 9591967 - 2⁷ = 9591839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9591937) 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 15 ways as a sum of consecutive naturals, for example, 1863 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (765072).

Almost surely, 2^9591967 is an apocalyptic number.

9591967 is a deficient number, since it is larger than the sum of its proper divisors (2649185).

9591967 is a wasteful number, since it uses less digits than its factorization.

9591967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958.

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

The square root of 9591967 is about 3097.0900858709. The cubic root of 9591967 is about 212.4724171811.

It can be divided in two parts, 959 and 1967, that added together give a triangular number (2926 = T₇₆).

The spelling of 9591967 in words is "nine million, five hundred ninety-one thousand, nine hundred sixty-seven".