604385 has 4 divisors (see below), whose sum is σ = 725268. Its totient is φ = 483504.

The previous prime is 604379. The next prime is 604397. The reversal of 604385 is 583406.

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 183184 + 421201 = 428^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 604385 - 2⁴ = 604369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60434 + ... + 60443.

It is an arithmetic number, because the mean of its divisors is an integer number (181317).

2⁶⁰⁴³⁸⁵ is an apocalyptic number.

It is an amenable number.

604385 is a deficient number, since it is larger than the sum of its proper divisors (120883).

604385 is a wasteful number, since it uses less digits than its factorization.

604385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120882.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 604385 is about 777.4220218131. The cubic root of 604385 is about 84.5482375747.

It can be divided in two parts, 604 and 385, that added together give a palindrome (989).

The spelling of 604385 in words is "six hundred four thousand, three hundred eighty-five".