604304663 has 4 divisors (see below), whose sum is σ = 605740488. Its totient is φ = 602868840.

The previous prime is 604304647. The next prime is 604304681. The reversal of 604304663 is 366403406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 604304663 - 2⁴ = 604304647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604304263) 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, 717281 + ... + 718122.

It is an arithmetic number, because the mean of its divisors is an integer number (151435122).

Almost surely, 2^604304663 is an apocalyptic number.

604304663 is a deficient number, since it is larger than the sum of its proper divisors (1435825).

604304663 is a wasteful number, since it uses less digits than its factorization.

604304663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435824.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 604304663 is about 24582.6089542994. The cubic root of 604304663 is about 845.4449125805. Note that the first 3 decimals are identical.

The spelling of 604304663 in words is "six hundred four million, three hundred four thousand, six hundred sixty-three".