585442 has 32 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 232320.

The previous prime is 585437. The next prime is 585443. The reversal of 585442 is 244585.

It is a self number, because there is not a number n which added to its sum of digits gives 585442.

It is not an unprimeable number, because it can be changed into a prime (585443) 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 15 ways as a sum of consecutive naturals, for example, 6534 + ... + 6622.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁵⁸⁵⁴⁴² is an apocalyptic number.

585442 is a deficient number, since it is larger than the sum of its proper divisors (503198).

585442 is a wasteful number, since it uses less digits than its factorization.

585442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 6400, while the sum is 28.

The square root of 585442 is about 765.1418169202. The cubic root of 585442 is about 83.6555242662.

The spelling of 585442 in words is "five hundred eighty-five thousand, four hundred forty-two".