605439 has 6 divisors (see below), whose sum is σ = 874536. Its totient is φ = 403620.

The previous prime is 605413. The next prime is 605443. The reversal of 605439 is 934506.

It is a happy number.

It is not a de Polignac number, because 605439 - 2¹¹ = 603391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33627 + ... + 33644.

It is an arithmetic number, because the mean of its divisors is an integer number (145756).

2⁶⁰⁵⁴³⁹ is an apocalyptic number.

605439 is a deficient number, since it is larger than the sum of its proper divisors (269097).

605439 is a wasteful number, since it uses less digits than its factorization.

605439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67277 (or 67274 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 605439 is about 778.0996080194. The cubic root of 605439 is about 84.5973575286.

The spelling of 605439 in words is "six hundred five thousand, four hundred thirty-nine".