238585 has 4 divisors (see below), whose sum is σ = 286308. Its totient is φ = 190864.

The previous prime is 238573. The next prime is 238591. The reversal of 238585 is 585832.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76176 + 162409 = 276^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 238585 - 2¹³ = 230393 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23854 + ... + 23863.

It is an arithmetic number, because the mean of its divisors is an integer number (71577).

2²³⁸⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

238585 is a deficient number, since it is larger than the sum of its proper divisors (47723).

238585 is an equidigital number, since it uses as much as digits as its factorization.

238585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47722.

The product of its digits is 9600, while the sum is 31.

The square root of 238585 is about 488.4516352721. The cubic root of 238585 is about 62.0222778076.

The spelling of 238585 in words is "two hundred thirty-eight thousand, five hundred eighty-five".