806246289 has 6 divisors (see below), whose sum is σ = 1164577986. Its totient is φ = 537497520.

The previous prime is 806246281. The next prime is 806246293. The reversal of 806246289 is 982642608.

It can be written as a sum of positive squares in only one way, i.e., 806105664 + 140625 = 28392^2 + 375^2 .

It is not a de Polignac number, because 806246289 - 2³ = 806246281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806246281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44791452 + ... + 44791469.

It is an arithmetic number, because the mean of its divisors is an integer number (194096331).

Almost surely, 2^806246289 is an apocalyptic number.

It is an amenable number.

806246289 is a deficient number, since it is larger than the sum of its proper divisors (358331697).

806246289 is a wasteful number, since it uses less digits than its factorization.

806246289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89582927 (or 89582924 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 806246289 is about 28394.4763818599. The cubic root of 806246289 is about 930.7275645461.

The spelling of 806246289 in words is "eight hundred six million, two hundred forty-six thousand, two hundred eighty-nine".