605804 has 6 divisors (see below), whose sum is σ = 1060164. Its totient is φ = 302900.

The previous prime is 605789. The next prime is 605809. The reversal of 605804 is 408506.

It is a self number, because there is not a number n which added to its sum of digits gives 605804.

It is not an unprimeable number, because it can be changed into a prime (605809) 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 as a sum of consecutive naturals, namely, 75722 + ... + 75729.

It is an arithmetic number, because the mean of its divisors is an integer number (176694).

2⁶⁰⁵⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

605804 is a deficient number, since it is larger than the sum of its proper divisors (454360).

605804 is a wasteful number, since it uses less digits than its factorization.

605804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151455 (or 151453 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 605804 is about 778.3341184864. The cubic root of 605804 is about 84.6143544693.

The spelling of 605804 in words is "six hundred five thousand, eight hundred four".