6604971 has 8 divisors (see below), whose sum is σ = 8853504. Its totient is φ = 4379880.

The previous prime is 6604943. The next prime is 6604973. The reversal of 6604971 is 1794066.

It is a happy number.

6604971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-6604971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6604973) 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, 5191 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (1106688).

Almost surely, 2^6604971 is an apocalyptic number.

6604971 is a deficient number, since it is larger than the sum of its proper divisors (2248533).

6604971 is a wasteful number, since it uses less digits than its factorization.

6604971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 6604971 is about 2570.0138131925. The cubic root of 6604971 is about 187.6248271008.

The spelling of 6604971 in words is "six million, six hundred four thousand, nine hundred seventy-one".