6609659 has 12 divisors (see below), whose sum is σ = 7870104. Its totient is φ = 5531904.

The previous prime is 6609649. The next prime is 6609661. The reversal of 6609659 is 9569066.

6609659 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6609659 - 2¹² = 6605563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6609649) 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, 539 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (655842).

Almost surely, 2^6609659 is an apocalyptic number.

6609659 is a deficient number, since it is larger than the sum of its proper divisors (1260445).

6609659 is a wasteful number, since it uses less digits than its factorization.

6609659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 6609659 is about 2570.9257087672. The cubic root of 6609659 is about 187.6692066634.

The spelling of 6609659 in words is "six million, six hundred nine thousand, six hundred fifty-nine".