6605044 has 24 divisors (see below), whose sum is σ = 12345480. Its totient is φ = 3081216.

The previous prime is 6605041. The next prime is 6605089. The reversal of 6605044 is 4405066.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 902500 + 5702544 = 950^2 + 2388^2 .

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605041) 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, 8962 + ... + 9670.

It is an arithmetic number, because the mean of its divisors is an integer number (514395).

Almost surely, 2^6605044 is an apocalyptic number.

It is an amenable number.

6605044 is a deficient number, since it is larger than the sum of its proper divisors (5740436).

6605044 is a wasteful number, since it uses less digits than its factorization.

6605044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6605044 is about 2570.0280154115. The cubic root of 6605044 is about 187.6255183258.

The spelling of 6605044 in words is "six million, six hundred five thousand, forty-four".