806339593 has 2 divisors, whose sum is σ = 806339594. Its totient is φ = 806339592.

The previous prime is 806339591. The next prime is 806339603. The reversal of 806339593 is 395933608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677925369 + 128414224 = 26037^2 + 11332^2 .

It is a cyclic number.

It is not a de Polignac number, because 806339593 - 2¹ = 806339591 is a prime.

Together with 806339591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (806339591) 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 as a sum of consecutive naturals, namely, 403169796 + 403169797.

It is an arithmetic number, because the mean of its divisors is an integer number (403169797).

Almost surely, 2^806339593 is an apocalyptic number.

It is an amenable number.

806339593 is a deficient number, since it is larger than the sum of its proper divisors (1).

806339593 is an equidigital number, since it uses as much as digits as its factorization.

806339593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 806339593 is about 28396.1193299366. The cubic root of 806339593 is about 930.7634664189.

The spelling of 806339593 in words is "eight hundred six million, three hundred thirty-nine thousand, five hundred ninety-three".