238389 has 8 divisors (see below), whose sum is σ = 320160. Its totient is φ = 157776.

The previous prime is 238373. The next prime is 238397. The reversal of 238389 is 983832.

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

It is not a de Polignac number, because 238389 - 2⁴ = 238373 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (40020).

2²³⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

238389 is a deficient number, since it is larger than the sum of its proper divisors (81771).

238389 is a wasteful number, since it uses less digits than its factorization.

238389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its digits is 10368, while the sum is 33.

The square root of 238389 is about 488.2509600605. The cubic root of 238389 is about 62.0052891776.

Adding to 238389 its reverse (983832), we get a palindrome (1222221).

The spelling of 238389 in words is "two hundred thirty-eight thousand, three hundred eighty-nine".