806218 has 8 divisors (see below), whose sum is σ = 1382112. Its totient is φ = 345516.

The previous prime is 806213. The next prime is 806233. The reversal of 806218 is 812608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 806192 and 806201.

It is not an unprimeable number, because it can be changed into a prime (806213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28780 + ... + 28807.

It is an arithmetic number, because the mean of its divisors is an integer number (172764).

2⁸⁰⁶²¹⁸ is an apocalyptic number.

806218 is a deficient number, since it is larger than the sum of its proper divisors (575894).

806218 is a wasteful number, since it uses less digits than its factorization.

806218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57596.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 806218 is about 897.8964305531. The cubic root of 806218 is about 93.0716678848.

It can be divided in two parts, 806 and 218, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 806218 in words is "eight hundred six thousand, two hundred eighteen".