238011 has 4 divisors (see below), whose sum is σ = 317352. Its totient is φ = 158672.

The previous prime is 238009. The next prime is 238019. The reversal of 238011 is 110832.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 238011 - 2¹ = 238009 is a prime.

It is a super-2 number, since 2×238011² = 113298472242, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238011.

It is not an unprimeable number, because it can be changed into a prime (238019) 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 in 3 ways as a sum of consecutive naturals, for example, 39666 + ... + 39671.

It is an arithmetic number, because the mean of its divisors is an integer number (79338).

2²³⁸⁰¹¹ is an apocalyptic number.

238011 is a deficient number, since it is larger than the sum of its proper divisors (79341).

238011 is an equidigital number, since it uses as much as digits as its factorization.

238011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79340.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 238011 is about 487.8637104766. The cubic root of 238011 is about 61.9724990764.

Adding to 238011 its reverse (110832), we get a palindrome (348843).

The spelling of 238011 in words is "two hundred thirty-eight thousand, eleven".