806830219 has 4 divisors (see below), whose sum is σ = 868894096. Its totient is φ = 744766344.

The previous prime is 806830207. The next prime is 806830243. The reversal of 806830219 is 912038608.

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

It is a cyclic number.

It is not a de Polignac number, because 806830219 - 2⁵ = 806830187 is a prime.

It is a super-2 number, since 2×806830219² = 1301950004583175922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806830249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31031919 + ... + 31031944.

It is an arithmetic number, because the mean of its divisors is an integer number (217223524).

Almost surely, 2^806830219 is an apocalyptic number.

806830219 is a deficient number, since it is larger than the sum of its proper divisors (62063877).

806830219 is a wasteful number, since it uses less digits than its factorization.

806830219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62063876.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 806830219 is about 28404.7569783654. The cubic root of 806830219 is about 930.9522058253.

The spelling of 806830219 in words is "eight hundred six million, eight hundred thirty thousand, two hundred nineteen".