604608997 has 4 divisors (see below), whose sum is σ = 604811116. Its totient is φ = 604406880.

The previous prime is 604608989. The next prime is 604609007. The reversal of 604608997 is 799806406.

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

It can be written as a sum of positive squares in 2 ways, for example, as 184932801 + 419676196 = 13599^2 + 20486^2 .

It is a cyclic number.

It is not a de Polignac number, because 604608997 - 2³ = 604608989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 604608997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604608197) 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, 96504 + ... + 102577.

It is an arithmetic number, because the mean of its divisors is an integer number (151202779).

Almost surely, 2^604608997 is an apocalyptic number.

It is an amenable number.

604608997 is a deficient number, since it is larger than the sum of its proper divisors (202119).

604608997 is a wasteful number, since it uses less digits than its factorization.

604608997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202118.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 604608997 is about 24588.7982016202. The cubic root of 604608997 is about 845.5868136596.

The spelling of 604608997 in words is "six hundred four million, six hundred eight thousand, nine hundred ninety-seven".