605855 has 4 divisors (see below), whose sum is σ = 727032. Its totient is φ = 484680.

The previous prime is 605849. The next prime is 605861. The reversal of 605855 is 558506.

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

It is an interprime number because it is at equal distance from previous prime (605849) and next prime (605861).

It is not a de Polignac number, because 605855 - 2⁸ = 605599 is a prime.

It is an Ulam number.

It is a Duffinian 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 605855.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60581 + ... + 60590.

It is an arithmetic number, because the mean of its divisors is an integer number (181758).

2⁶⁰⁵⁸⁵⁵ is an apocalyptic number.

605855 is a deficient number, since it is larger than the sum of its proper divisors (121177).

605855 is a wasteful number, since it uses less digits than its factorization.

605855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121176.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 605855 is about 778.3668800765. The cubic root of 605855 is about 84.6167288407.

The spelling of 605855 in words is "six hundred five thousand, eight hundred fifty-five".