9597985 has 16 divisors (see below), whose sum is σ = 12243600. Its totient is φ = 7209216.

The previous prime is 9597971. The next prime is 9597997. The reversal of 9597985 is 5897959.

It can be written as a sum of positive squares in 8 ways, for example, as 1763584 + 7834401 = 1328^2 + 2799^2 .

It is a cyclic number.

It is not a de Polignac number, because 9597985 - 2⁵ = 9597953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 6259.

It is an arithmetic number, because the mean of its divisors is an integer number (765225).

Almost surely, 2^9597985 is an apocalyptic number.

9597985 is the 1789-th octagonal number.

It is an amenable number.

9597985 is a deficient number, since it is larger than the sum of its proper divisors (2645615).

9597985 is a wasteful number, since it uses less digits than its factorization.

9597985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its digits is 1020600, while the sum is 52.

The square root of 9597985 is about 3098.0614906745. The cubic root of 9597985 is about 212.5168429556.

The spelling of 9597985 in words is "nine million, five hundred ninety-seven thousand, nine hundred eighty-five".