6604478 has 8 divisors (see below), whose sum is σ = 9926472. Its totient is φ = 3295656.

The previous prime is 6604471. The next prime is 6604561. The reversal of 6604478 is 8744066.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604471) 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, 1925 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (1240809).

Almost surely, 2^6604478 is an apocalyptic number.

6604478 is a deficient number, since it is larger than the sum of its proper divisors (3321994).

6604478 is a wasteful number, since it uses less digits than its factorization.

6604478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6604478 is about 2569.9178975212. The cubic root of 6604478 is about 187.6201588320.

The spelling of 6604478 in words is "six million, six hundred four thousand, four hundred seventy-eight".