388238 has 4 divisors (see below), whose sum is σ = 582360. Its totient is φ = 194118.

The previous prime is 388237. The next prime is 388253. The reversal of 388238 is 832883.

388238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388231) 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, 97058 + ... + 97061.

It is an arithmetic number, because the mean of its divisors is an integer number (145590).

2³⁸⁸²³⁸ is an apocalyptic number.

388238 is a deficient number, since it is larger than the sum of its proper divisors (194122).

388238 is a wasteful number, since it uses less digits than its factorization.

388238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194121.

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

The square root of 388238 is about 623.0874737948. The cubic root of 388238 is about 72.9512403479.

It can be divided in two parts, 388 and 238, that added together give a palindrome (626).

The spelling of 388238 in words is "three hundred eighty-eight thousand, two hundred thirty-eight".