806338831 has 2 divisors, whose sum is σ = 806338832. Its totient is φ = 806338830.

The previous prime is 806338789. The next prime is 806338879. The reversal of 806338831 is 138833608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 806338831 - 2⁷ = 806338703 is a prime.

It is a super-2 number, since 2×806338831² = 1300364620756893122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806333831) 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 as a sum of consecutive naturals, namely, 403169415 + 403169416.

It is an arithmetic number, because the mean of its divisors is an integer number (403169416).

Almost surely, 2^806338831 is an apocalyptic number.

806338831 is a deficient number, since it is larger than the sum of its proper divisors (1).

806338831 is an equidigital number, since it uses as much as digits as its factorization.

806338831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 806338831 is about 28396.1059126071. The cubic root of 806338831 is about 930.7631732248.

The spelling of 806338831 in words is "eight hundred six million, three hundred thirty-eight thousand, eight hundred thirty-one".