117938 has 8 divisors (see below), whose sum is σ = 178860. Its totient is φ = 58320.
The previous prime is 117937. The next prime is 117959. The reversal of 117938 is 839711.
It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 289 = 343^2 + 17^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 117938.
It is not an unprimeable number, because it can be changed into a prime (117937) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 488.
2117938 is an apocalyptic number.
117938 is a deficient number, since it is larger than the sum of its proper divisors (60922).
117938 is a wasteful number, since it uses less digits than its factorization.
117938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652.
The product of its digits is 1512, while the sum is 29.
The square root of 117938 is about 343.4210244001. The cubic root of 117938 is about 49.0400893632.
It can be divided in two parts, 117 and 938, that multiplied together give a triangular number (109746 = T468).
The spelling of 117938 in words is "one hundred seventeen thousand, nine hundred thirty-eight".
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