238168 has 16 divisors (see below), whose sum is σ = 510480. Its totient is φ = 102048.
The previous prime is 238163. The next prime is 238171. The reversal of 238168 is 861832.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238163) by changing a digit.
238168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071 + ... + 2182.
It is an arithmetic number, because the mean of its divisors is an integer number (31905).
238168 is a Friedman number, since it can be written as 8*(61^2*8+3), using all its digits and the basic arithmetic operations.
2238168 is an apocalyptic number.
238168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
238168 is an abundant number, since it is smaller than the sum of its proper divisors (272312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238168 is a wasteful number, since it uses less digits than its factorization.
238168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4266 (or 4262 counting only the distinct ones).
The product of its digits is 2304, while the sum is 28.
The square root of 238168 is about 488.0245895444. The cubic root of 238168 is about 61.9861224577.
It can be divided in two parts, 238 and 168, that added together give a triangular number (406 = T28).
The spelling of 238168 in words is "two hundred thirty-eight thousand, one hundred sixty-eight".
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