6604417 has 4 divisors (see below), whose sum is σ = 6609856. Its totient is φ = 6598980.

The previous prime is 6604399. The next prime is 6604421. The reversal of 6604417 is 7144066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6604417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6604217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 3634.

It is an arithmetic number, because the mean of its divisors is an integer number (1652464).

Almost surely, 2^6604417 is an apocalyptic number.

It is an amenable number.

6604417 is a deficient number, since it is larger than the sum of its proper divisors (5439).

6604417 is a wasteful number, since it uses less digits than its factorization.

6604417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6604417 is about 2569.9060294104. The cubic root of 6604417 is about 187.6195812004.

It can be divided in two parts, 6604 and 417, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6604417 in words is "six million, six hundred four thousand, four hundred seventeen".