238005 has 32 divisors (see below), whose sum is σ = 443520. Its totient is φ = 120960.
The previous prime is 238001. The next prime is 238009. The reversal of 238005 is 500832.
It is an interprime number because it is at equal distance from previous prime (238001) and next prime (238009).
It is not a de Polignac number, because 238005 - 22 = 238001 is a prime.
It is a nialpdrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5514 + ... + 5556.
It is an arithmetic number, because the mean of its divisors is an integer number (13860).
2238005 is an apocalyptic number.
It is an amenable number.
238005 is a deficient number, since it is larger than the sum of its proper divisors (205515).
238005 is a wasteful number, since it uses less digits than its factorization.
238005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98 (or 92 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 238005 is about 487.8575611795. The cubic root of 238005 is about 61.9719783188.
Adding to 238005 its reverse (500832), we get a palindrome (738837).
The spelling of 238005 in words is "two hundred thirty-eight thousand, five".
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