604439 has 4 divisors (see below), whose sum is σ = 659400. Its totient is φ = 549480.

The previous prime is 604433. The next prime is 604441. The reversal of 604439 is 934406.

604439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604439 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 (604433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27464 + ... + 27485.

It is an arithmetic number, because the mean of its divisors is an integer number (164850).

2⁶⁰⁴⁴³⁹ is an apocalyptic number.

604439 is a deficient number, since it is larger than the sum of its proper divisors (54961).

604439 is a wasteful number, since it uses less digits than its factorization.

604439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54960.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 604439 is about 777.4567512087. The cubic root of 604439 is about 84.5507555441.

The spelling of 604439 in words is "six hundred four thousand, four hundred thirty-nine".