605838 has 16 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 196416.

The previous prime is 605837. The next prime is 605849. The reversal of 605838 is 838506.

It is a Curzon 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 605838.

It is not an unprimeable number, because it can be changed into a prime (605837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2⁶⁰⁵⁸³⁸ is an apocalyptic number.

605838 is an abundant number, since it is smaller than the sum of its proper divisors (639042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605838 is a wasteful number, since it uses less digits than its factorization.

605838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 605838 is about 778.3559596997. The cubic root of 605838 is about 84.6159373984.

The spelling of 605838 in words is "six hundred five thousand, eight hundred thirty-eight".