6604216 has 8 divisors (see below), whose sum is σ = 12382920. Its totient is φ = 3302104.

The previous prime is 6604187. The next prime is 6604217. The reversal of 6604216 is 6124066.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604217) 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 as a sum of consecutive naturals, namely, 412756 + ... + 412771.

It is an arithmetic number, because the mean of its divisors is an integer number (1547865).

Almost surely, 2^6604216 is an apocalyptic number.

It is an amenable number.

6604216 is a deficient number, since it is larger than the sum of its proper divisors (5778704).

6604216 is a wasteful number, since it uses less digits than its factorization.

6604216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825533 (or 825529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6604216 is about 2569.8669226246. The cubic root of 6604216 is about 187.6176778319.

The spelling of 6604216 in words is "six million, six hundred four thousand, two hundred sixteen".