6609871 has 8 divisors (see below), whose sum is σ = 6766704. Its totient is φ = 6455040.

The previous prime is 6609859. The next prime is 6609877. The reversal of 6609871 is 1789066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6609871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6609871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7641 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (845838).

Almost surely, 2^6609871 is an apocalyptic number.

6609871 is a deficient number, since it is larger than the sum of its proper divisors (156833).

6609871 is an equidigital number, since it uses as much as digits as its factorization.

6609871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6609871 is about 2570.9669387217. The cubic root of 6609871 is about 187.6712130930.

The spelling of 6609871 in words is "six million, six hundred nine thousand, eight hundred seventy-one".