238345 has 8 divisors (see below), whose sum is σ = 290376. Its totient is φ = 187776.

The previous prime is 238339. The next prime is 238361. The reversal of 238345 is 543832.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 227529 = 104^2 + 477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238345 - 2⁵ = 238313 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 3⁶ + 3¹¹ + 8⁵ + 4⁷ + 5⁵ .

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 7 ways as a sum of consecutive naturals, for example, 39 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (36297).

2²³⁸³⁴⁵ is an apocalyptic number.

It is an amenable number.

238345 is a deficient number, since it is larger than the sum of its proper divisors (52031).

238345 is an equidigital number, since it uses as much as digits as its factorization.

238345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 2880, while the sum is 25.

The square root of 238345 is about 488.2058991860. The cubic root of 238345 is about 62.0014741238.

The spelling of 238345 in words is "two hundred thirty-eight thousand, three hundred forty-five".