604189 has 2 divisors, whose sum is σ = 604190.
Its totient is φ = 604188.
The previous prime is 604171. The next prime is 604223. The reversal of 604189 is 981406.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 532900 + 71289 = 730^2 + 267^2
It is a cyclic number.
It is not a de Polignac number, because 604189 - 211 = 602141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (604589) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302094 + 302095.
It is an arithmetic number, because the mean of its divisors is an integer number (302095).
2604189 is an apocalyptic number.
It is an amenable number.
604189 is a deficient number, since it is larger than the sum of its proper divisors (1).
604189 is an equidigital number, since it uses as much as digits as its factorization.
604189 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 604189 is about 777.2959539326.
The cubic root of 604189 is about 84.5390970179.
The spelling of 604189 in words is "six hundred four thousand, one hundred eighty-nine".