6609844 has 12 divisors (see below), whose sum is σ = 11682468. Its totient is φ = 3272000.

The previous prime is 6609833. The next prime is 6609847. The reversal of 6609844 is 4489066.

It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 1822500 = 2188^2 + 1350^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7777 + ... + 8584.

It is an arithmetic number, because the mean of its divisors is an integer number (973539).

Almost surely, 2^6609844 is an apocalyptic number.

It is an amenable number.

6609844 is a deficient number, since it is larger than the sum of its proper divisors (5072624).

6609844 is a wasteful number, since it uses less digits than its factorization.

6609844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16466 (or 16464 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6609844 is about 2570.9616877737. The cubic root of 6609844 is about 187.6709575595.

The spelling of 6609844 in words is "six million, six hundred nine thousand, eight hundred forty-four".