238611 has 4 divisors (see below), whose sum is σ = 318152. Its totient is φ = 159072.

The previous prime is 238591. The next prime is 238627. The reversal of 238611 is 116832.

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

It is not a de Polignac number, because 238611 - 2⁶ = 238547 is a prime.

It is a D-number.

It is a Duffinian 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 238611.

It is not an unprimeable number, because it can be changed into a prime (238681) 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, 39766 + ... + 39771.

It is an arithmetic number, because the mean of its divisors is an integer number (79538).

2²³⁸⁶¹¹ is an apocalyptic number.

238611 is a deficient number, since it is larger than the sum of its proper divisors (79541).

238611 is an equidigital number, since it uses as much as digits as its factorization.

238611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79540.

The product of its digits is 288, while the sum is 21.

The square root of 238611 is about 488.4782492599. The cubic root of 238611 is about 62.0245307023.

The spelling of 238611 in words is "two hundred thirty-eight thousand, six hundred eleven".