604889 has 8 divisors (see below), whose sum is σ = 627912. Its totient is φ = 582400.

The previous prime is 604883. The next prime is 604907. The reversal of 604889 is 988406.

It can be written as a sum of positive squares in 4 ways, for example, as 126025 + 478864 = 355^2 + 692^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 604889.

It is not an unprimeable number, because it can be changed into a prime (604883) 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 in 7 ways as a sum of consecutive naturals, for example, 5297 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (78489).

2⁶⁰⁴⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

604889 is a deficient number, since it is larger than the sum of its proper divisors (23023).

604889 is a wasteful number, since it uses less digits than its factorization.

604889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 604889 is about 777.7461025296. The cubic root of 604889 is about 84.5717327929.

The spelling of 604889 in words is "six hundred four thousand, eight hundred eighty-nine".