238838 has 4 divisors (see below), whose sum is σ = 358260. Its totient is φ = 119418.

The previous prime is 238837. The next prime is 238841. The reversal of 238838 is 838832.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238838.

It is not an unprimeable number, because it can be changed into a prime (238837) 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 as a sum of consecutive naturals, namely, 59708 + ... + 59711.

It is an arithmetic number, because the mean of its divisors is an integer number (89565).

2²³⁸⁸³⁸ is an apocalyptic number.

238838 is a deficient number, since it is larger than the sum of its proper divisors (119422).

238838 is a wasteful number, since it uses less digits than its factorization.

238838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119421.

The product of its digits is 9216, while the sum is 32.

The square root of 238838 is about 488.7105482799. The cubic root of 238838 is about 62.0441932577.

The spelling of 238838 in words is "two hundred thirty-eight thousand, eight hundred thirty-eight".