238975 has 18 divisors (see below), whose sum is σ = 329840. Its totient is φ = 171600.
The previous prime is 238967. The next prime is 238991. The reversal of 238975 is 579832.
It is not a de Polignac number, because 238975 - 23 = 238967 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 238975.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2986 + ... + 3064.
238975 is a Friedman number, since it can be written as 79*(5*(8+3))^2, using all its digits and the basic arithmetic operations.
2238975 is an apocalyptic number.
238975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
238975 is a deficient number, since it is larger than the sum of its proper divisors (90865).
238975 is a wasteful number, since it uses less digits than its factorization.
238975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111 (or 95 counting only the distinct ones).
The product of its digits is 15120, while the sum is 34.
The square root of 238975 is about 488.8506929524. The cubic root of 238975 is about 62.0560540584.
It can be divided in two parts, 23 and 8975, that added together give a palindrome (8998).
The spelling of 238975 in words is "two hundred thirty-eight thousand, nine hundred seventy-five".
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