86197 has 2 divisors, whose sum is σ = 86198. Its totient is φ = 86196.
The previous prime is 86183. The next prime is 86201. The reversal of 86197 is 79168.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45796 + 40401 = 214^2 + 201^2 .
86197 is a truncatable prime.
It is a cyclic number.
It is not a de Polignac number, because 86197 - 27 = 86069 is a prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (86117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43098 + 43099.
It is an arithmetic number, because the mean of its divisors is an integer number (43099).
286197 is an apocalyptic number.
It is an amenable number.
86197 is a deficient number, since it is larger than the sum of its proper divisors (1).
86197 is an equidigital number, since it uses as much as digits as its factorization.
86197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3024, while the sum is 31.
The square root of 86197 is about 293.5932560533. The cubic root of 86197 is about 44.1737277584.
The spelling of 86197 in words is "eighty-six thousand, one hundred ninety-seven".
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