238663 has 8 divisors (see below), whose sum is σ = 257040. Its totient is φ = 220800.

The previous prime is 238657. The next prime is 238673. The reversal of 238663 is 366832.

238663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 238663 - 2⁹ = 238151 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238673) 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, 1648 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2²³⁸⁶⁶³ is an apocalyptic number.

238663 is a deficient number, since it is larger than the sum of its proper divisors (18377).

238663 is a wasteful number, since it uses less digits than its factorization.

238663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its digits is 5184, while the sum is 28.

The square root of 238663 is about 488.5314728858. The cubic root of 238663 is about 62.0290360008.

The spelling of 238663 in words is "two hundred thirty-eight thousand, six hundred sixty-three".