605655 has 24 divisors (see below), whose sum is σ = 1077648. Its totient is φ = 314496.

The previous prime is 605641. The next prime is 605687. The reversal of 605655 is 556506.

605655 is a `hidden beast` number, since 6 + 0 + 5 + 655 = 666.

605655 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 605655 - 2⁴ = 605639 is a prime.

It is a zygodrome in base 14.

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 605655.

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 23 ways as a sum of consecutive naturals, for example, 1779 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (44902).

2⁶⁰⁵⁶⁵⁵ is an apocalyptic number.

605655 is a deficient number, since it is larger than the sum of its proper divisors (471993).

605655 is a wasteful number, since it uses less digits than its factorization.

605655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 605655 is about 778.2383953520. The cubic root of 605655 is about 84.6074168170.

The spelling of 605655 in words is "six hundred five thousand, six hundred fifty-five".