238655 has 8 divisors (see below), whose sum is σ = 291600. Its totient is φ = 187456.

The previous prime is 238649. The next prime is 238657. The reversal of 238655 is 556832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238655 - 2⁴ = 238639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238657) 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 7 ways as a sum of consecutive naturals, for example, 110 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2²³⁸⁶⁵⁵ is an apocalyptic number.

238655 is a deficient number, since it is larger than the sum of its proper divisors (52945).

238655 is an equidigital number, since it uses as much as digits as its factorization.

238655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 7200, while the sum is 29.

The square root of 238655 is about 488.5232850131. The cubic root of 238655 is about 62.0283429205.

The spelling of 238655 in words is "two hundred thirty-eight thousand, six hundred fifty-five".