605871 has 24 divisors (see below), whose sum is σ = 1023360. Its totient is φ = 338256.

The previous prime is 605867. The next prime is 605873. The reversal of 605871 is 178506.

It is not a de Polignac number, because 605871 - 2² = 605867 is a prime.

605871 is a lucky 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 605871.

It is not an unprimeable number, because it can be changed into a prime (605873) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3636 + ... + 3798.

It is an arithmetic number, because the mean of its divisors is an integer number (42640).

2⁶⁰⁵⁸⁷¹ is an apocalyptic number.

605871 is a deficient number, since it is larger than the sum of its proper divisors (417489).

605871 is a wasteful number, since it uses less digits than its factorization.

605871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 605871 is about 778.3771579382. The cubic root of 605871 is about 84.6174737140.

The spelling of 605871 in words is "six hundred five thousand, eight hundred seventy-one".