6708609 has 16 divisors (see below), whose sum is σ = 9979200. Its totient is φ = 4454208.

The previous prime is 6708607. The next prime is 6708613. The reversal of 6708609 is 9068076.

It is not a de Polignac number, because 6708609 - 2¹ = 6708607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6708607) 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, 11017 + ... + 11609.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^6708609 is an apocalyptic number.

It is an amenable number.

6708609 is a deficient number, since it is larger than the sum of its proper divisors (3270591).

6708609 is a wasteful number, since it uses less digits than its factorization.

6708609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 6708609 is about 2590.0982606843. The cubic root of 6708609 is about 188.6010734090.

The spelling of 6708609 in words is "six million, seven hundred eight thousand, six hundred nine".