238317 has 16 divisors (see below), whose sum is σ = 346560. Its totient is φ = 145152.

The previous prime is 238313. The next prime is 238321. The reversal of 238317 is 713832.

It is an interprime number because it is at equal distance from previous prime (238313) and next prime (238321).

It is not a de Polignac number, because 238317 - 2² = 238313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238313) 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, 2053 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (21660).

2²³⁸³¹⁷ is an apocalyptic number.

It is an amenable number.

238317 is a deficient number, since it is larger than the sum of its proper divisors (108243).

238317 is a wasteful number, since it uses less digits than its factorization.

238317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 1008, while the sum is 24.

The square root of 238317 is about 488.1772219184. The cubic root of 238317 is about 61.9990461178. Note that the first 3 decimals are identical.

It can be divided in two parts, 238 and 317, that added together give a palindrome (555).

The spelling of 238317 in words is "two hundred thirty-eight thousand, three hundred seventeen".