9606591 has 12 divisors (see below), whose sum is σ = 13927368. Its totient is φ = 6380784.

The previous prime is 9606563. The next prime is 9606593. The reversal of 9606591 is 1956069.

9606591 is a `hidden beast` number, since 9 + 60 + 6 + 591 = 666.

It is not a de Polignac number, because 9606591 - 2¹⁹ = 9082303 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9606593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (1160614).

Almost surely, 2^9606591 is an apocalyptic number.

9606591 is a deficient number, since it is larger than the sum of its proper divisors (4320777).

9606591 is a wasteful number, since it uses less digits than its factorization.

9606591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9606591 is about 3099.4501125200. The cubic root of 9606591 is about 212.5803414778.

The spelling of 9606591 in words is "nine million, six hundred six thousand, five hundred ninety-one".