238943 has 2 divisors, whose sum is σ = 238944. Its totient is φ = 238942.
The previous prime is 238939. The next prime is 238949. The reversal of 238943 is 349832.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 238943 - 22 = 238939 is a prime.
It is a d-powerful number, because it can be written as 25 + 37 + 95 + 83 + 42 + 311 .
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (238949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119471 + 119472.
It is an arithmetic number, because the mean of its divisors is an integer number (119472).
2238943 is an apocalyptic number.
238943 is a deficient number, since it is larger than the sum of its proper divisors (1).
238943 is an equidigital number, since it uses as much as digits as its factorization.
238943 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5184, while the sum is 29.
The square root of 238943 is about 488.8179620268. The cubic root of 238943 is about 62.0532840582.
Subtracting 238943 from its reverse (349832), we obtain a square (110889 = 3332).
The spelling of 238943 in words is "two hundred thirty-eight thousand, nine hundred forty-three".
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