86026 has 4 divisors (see below), whose sum is σ = 129042.
Its totient is φ = 43012.
The previous prime is 86017. The next prime is 86027. The reversal of 86026 is 62068.
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., 62001 + 24025 = 249^2 + 155^2
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 85988 and 86006.
It is not an unprimeable number, because it can be changed into a prime (86027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505 + ... + 21508.
286026 is an apocalyptic number.
86026 is the 186-th centered pentagonal number.
86026 is a deficient number, since it is larger than the sum of its proper divisors (43016).
86026 is a wasteful number, since it uses less digits than its factorization.
86026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43015.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 86026 is about 293.3018922544.
The cubic root of 86026 is about 44.1444973983.
The spelling of 86026 in words is "eighty-six thousand, twenty-six".