82286 has 4 divisors (see below), whose sum is σ = 123432. Its totient is φ = 41142.

The previous prime is 82279. The next prime is 82301. The reversal of 82286 is 68228.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

82286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20570 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (30858).

2⁸²²⁸⁶ is an apocalyptic number.

82286 is a deficient number, since it is larger than the sum of its proper divisors (41146).

82286 is a wasteful number, since it uses less digits than its factorization.

82286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41145.

The product of its digits is 1536, while the sum is 26.

The square root of 82286 is about 286.8553642517. The cubic root of 82286 is about 43.4952652617.

The spelling of 82286 in words is "eighty-two thousand, two hundred eighty-six".