238287 has 12 divisors (see below), whose sum is σ = 369816. Its totient is φ = 136080.

The previous prime is 238267. The next prime is 238291. The reversal of 238287 is 782832.

It is not a de Polignac number, because 238287 - 2⁶ = 238223 is a prime.

238287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238207) 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 11 ways as a sum of consecutive naturals, for example, 664 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (30818).

2²³⁸²⁸⁷ is an apocalyptic number.

238287 is a deficient number, since it is larger than the sum of its proper divisors (131529).

238287 is a wasteful number, since it uses less digits than its factorization.

238287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1631 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 238287 is about 488.1464944051. The cubic root of 238287 is about 61.9964444718.

It can be divided in two parts, 238 and 287, that added together give a palindrome (525).

The spelling of 238287 in words is "two hundred thirty-eight thousand, two hundred eighty-seven".