604839 has 8 divisors (see below), whose sum is σ = 828400. Its totient is φ = 392256.

The previous prime is 604837. The next prime is 604859. The reversal of 604839 is 938406.

604839 = T₁₆₂ + T₁₆₃ + ... + T₁₉₈.

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

It is not a de Polignac number, because 604839 - 2¹ = 604837 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 (604837) 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, 2614 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (103550).

2⁶⁰⁴⁸³⁹ is an apocalyptic number.

604839 is a deficient number, since it is larger than the sum of its proper divisors (223561).

604839 is a wasteful number, since it uses less digits than its factorization.

604839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 604839 is about 777.7139576991. The cubic root of 604839 is about 84.5694025013.

The spelling of 604839 in words is "six hundred four thousand, eight hundred thirty-nine".