9657609 has 16 divisors (see below), whose sum is σ = 14347200. Its totient is φ = 5737536.

The previous prime is 9657577. The next prime is 9657619. The reversal of 9657609 is 9067569.

It is not a de Polignac number, because 9657609 - 2⁵ = 9657577 is a prime.

9657609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9657619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (896700).

Almost surely, 2^9657609 is an apocalyptic number.

It is an amenable number.

9657609 is a deficient number, since it is larger than the sum of its proper divisors (4689591).

9657609 is a wasteful number, since it uses less digits than its factorization.

9657609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 9657609 is about 3107.6693839596. The cubic root of 9657609 is about 212.9559961116.

The spelling of 9657609 in words is "nine million, six hundred fifty-seven thousand, six hundred nine".