238393 has 4 divisors (see below), whose sum is σ = 250960. Its totient is φ = 225828.

The previous prime is 238373. The next prime is 238397. The reversal of 238393 is 393832.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238393 - 2⁵ = 238361 is a prime.

It is an Ulam number.

It is a Duffinian number.

238393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (238397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (62740).

2²³⁸³⁹³ is an apocalyptic number.

It is an amenable number.

238393 is a deficient number, since it is larger than the sum of its proper divisors (12567).

238393 is a wasteful number, since it uses less digits than its factorization.

238393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566.

The product of its digits is 3888, while the sum is 28.

The square root of 238393 is about 488.2550562974. The cubic root of 238393 is about 62.0056359774.

It can be divided in two parts, 23839 and 3, that multiplied together give a palindrome (71517).

The spelling of 238393 in words is "two hundred thirty-eight thousand, three hundred ninety-three".