238217 has 4 divisors (see below), whose sum is σ = 272256. Its totient is φ = 204180.

The previous prime is 238213. The next prime is 238223. The reversal of 238217 is 712832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238217 - 2² = 238213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238192 and 238201.

It is not an unprimeable number, because it can be changed into a prime (238213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17009 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (68064).

2²³⁸²¹⁷ is an apocalyptic number.

It is an amenable number.

238217 is a deficient number, since it is larger than the sum of its proper divisors (34039).

238217 is an equidigital number, since it uses as much as digits as its factorization.

238217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34038.

The product of its digits is 672, while the sum is 23.

The square root of 238217 is about 488.0747893510. The cubic root of 238217 is about 61.9903731151.

The spelling of 238217 in words is "two hundred thirty-eight thousand, two hundred seventeen".