604805 has 8 divisors (see below), whose sum is σ = 736152. Its totient is φ = 476928.

The previous prime is 604801. The next prime is 604811. The reversal of 604805 is 508406.

604805 = 448² + 449² + 450².

It can be written as a sum of positive squares in 4 ways, for example, as 40804 + 564001 = 202^2 + 751^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 604805 - 2² = 604801 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 (604801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (92019).

2⁶⁰⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

604805 is a deficient number, since it is larger than the sum of its proper divisors (131347).

604805 is a wasteful number, since it uses less digits than its factorization.

604805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

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

The square root of 604805 is about 777.6920984554. The cubic root of 604805 is about 84.5678178297.

The spelling of 604805 in words is "six hundred four thousand, eight hundred five".