107986 has 4 divisors (see below), whose sum is σ = 161982. Its totient is φ = 53992.
The previous prime is 107981. The next prime is 107999. The reversal of 107986 is 689701.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 60025 + 47961 = 245^2 + 219^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (107981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26995 + ... + 26998.
2107986 is an apocalyptic number.
107986 is a deficient number, since it is larger than the sum of its proper divisors (53996).
107986 is an equidigital number, since it uses as much as digits as its factorization.
107986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53995.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 107986 is about 328.6122334911. The cubic root of 107986 is about 47.6199737280.
The spelling of 107986 in words is "one hundred seven thousand, nine hundred eighty-six".
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