806228 has 6 divisors (see below), whose sum is σ = 1410906. Its totient is φ = 403112.

The previous prime is 806213. The next prime is 806233. The reversal of 806228 is 822608.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 35344 = 878^2 + 188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 806197 and 806206.

It is a congruent number.

It is an unprimeable number.

806228 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, 100775 + ... + 100782.

It is an arithmetic number, because the mean of its divisors is an integer number (235151).

2⁸⁰⁶²²⁸ is an apocalyptic number.

It is an amenable number.

806228 is a deficient number, since it is larger than the sum of its proper divisors (604678).

806228 is a wasteful number, since it uses less digits than its factorization.

806228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201561 (or 201559 counting only the distinct ones).

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

The square root of 806228 is about 897.9019991068. The cubic root of 806228 is about 93.0720526910.

The spelling of 806228 in words is "eight hundred six thousand, two hundred twenty-eight".