806219 has 4 divisors (see below), whose sum is σ = 841296. Its totient is φ = 771144.

The previous prime is 806213. The next prime is 806233. The reversal of 806219 is 912608.

806219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 806219 - 2⁴ = 806203 is a prime.

It is a super-2 number, since 2×806219² = 1299978151922, which contains 22 as substring.

It is a Duffinian number.

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, 17504 + ... + 17549.

It is an arithmetic number, because the mean of its divisors is an integer number (210324).

2⁸⁰⁶²¹⁹ is an apocalyptic number.

806219 is a deficient number, since it is larger than the sum of its proper divisors (35077).

806219 is a wasteful number, since it uses less digits than its factorization.

806219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 806219 is about 897.8969874100. The cubic root of 806219 is about 93.0717063656.

The spelling of 806219 in words is "eight hundred six thousand, two hundred nineteen".