604039 has 4 divisors (see below), whose sum is σ = 607824. Its totient is φ = 600256.

The previous prime is 604031. The next prime is 604057. The reversal of 604039 is 930406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 604039 - 2³ = 604031 is a prime.

It is a super-3 number, since 3×604039³ = 661174650684333957, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604031) 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 3 ways as a sum of consecutive naturals, for example, 1642 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (151956).

2⁶⁰⁴⁰³⁹ is an apocalyptic number.

604039 is a deficient number, since it is larger than the sum of its proper divisors (3785).

604039 is a wasteful number, since it uses less digits than its factorization.

604039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 604039 is about 777.1994595984. The cubic root of 604039 is about 84.5321003584.

The spelling of 604039 in words is "six hundred four thousand, thirty-nine".