86228 has 6 divisors (see below), whose sum is σ = 150906. Its totient is φ = 43112.

The previous prime is 86209. The next prime is 86239. The reversal of 86228 is 82268.

It can be written as a sum of positive squares in only one way, i.e., 56644 + 29584 = 238^2 + 172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86197 and 86206.

It is a congruent number.

It is an unprimeable number.

86228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10775 + ... + 10782.

It is an arithmetic number, because the mean of its divisors is an integer number (25151).

2⁸⁶²²⁸ is an apocalyptic number.

It is an amenable number.

86228 is a deficient number, since it is larger than the sum of its proper divisors (64678).

86228 is a wasteful number, since it uses less digits than its factorization.

86228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561 (or 21559 counting only the distinct ones).

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

The square root of 86228 is about 293.6460454357. The cubic root of 86228 is about 44.1790226891.

The spelling of 86228 in words is "eighty-six thousand, two hundred twenty-eight".