85366 has 4 divisors (see below), whose sum is σ = 128052. Its totient is φ = 42682.
The previous prime is 85363. The next prime is 85369. The reversal of 85366 is 66358.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66358 = 2 ⋅33179.
It is an interprime number because it is at equal distance from previous prime (85363) and next prime (85369).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21340 + ... + 21343.
It is an arithmetic number, because the mean of its divisors is an integer number (32013).
285366 is an apocalyptic number.
85366 is a deficient number, since it is larger than the sum of its proper divisors (42686).
85366 is a wasteful number, since it uses less digits than its factorization.
85366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42685.
The product of its digits is 4320, while the sum is 28.
The square root of 85366 is about 292.1746053304. The cubic root of 85366 is about 44.0313137976.
It can be divided in two parts, 853 and 66, that added together give a palindrome (919).
The spelling of 85366 in words is "eighty-five thousand, three hundred sixty-six".
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