604845 has 12 divisors (see below), whose sum is σ = 1048476. Its totient is φ = 322560.

The previous prime is 604837. The next prime is 604859. The reversal of 604845 is 548406.

It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 459684 = 381^2 + 678^2 .

It is not a de Polignac number, because 604845 - 2³ = 604837 is a prime.

604845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6676 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (87373).

2⁶⁰⁴⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

604845 is a deficient number, since it is larger than the sum of its proper divisors (443631).

604845 is a wasteful number, since it uses less digits than its factorization.

604845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13452 (or 13449 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 604845 is about 777.7178151489. The cubic root of 604845 is about 84.5696821431.

The spelling of 604845 in words is "six hundred four thousand, eight hundred forty-five".