9689609 has 8 divisors (see below), whose sum is σ = 10287648. Its totient is φ = 9094720.

The previous prime is 9689593. The next prime is 9689623. The reversal of 9689609 is 9069869.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9689609 - 2⁴ = 9689593 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9689689) 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 7 ways as a sum of consecutive naturals, for example, 9494 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (1285956).

Almost surely, 2^9689609 is an apocalyptic number.

It is an amenable number.

9689609 is a deficient number, since it is larger than the sum of its proper divisors (598039).

9689609 is a wasteful number, since it uses less digits than its factorization.

9689609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 9689609 is about 3112.8136789728. The cubic root of 9689609 is about 213.1909431224.

The spelling of 9689609 in words is "nine million, six hundred eighty-nine thousand, six hundred nine".