806468393 has 4 divisors (see below), whose sum is σ = 806893200. Its totient is φ = 806043588.

The previous prime is 806468363. The next prime is 806468413. The reversal of 806468393 is 393864608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806468393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806468363) 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 3 ways as a sum of consecutive naturals, for example, 209543 + ... + 213356.

It is an arithmetic number, because the mean of its divisors is an integer number (201723300).

Almost surely, 2^806468393 is an apocalyptic number.

It is an amenable number.

806468393 is a deficient number, since it is larger than the sum of its proper divisors (424807).

806468393 is a wasteful number, since it uses less digits than its factorization.

806468393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424806.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 806468393 is about 28398.3871549072. The cubic root of 806468393 is about 930.8130220292.

The spelling of 806468393 in words is "eight hundred six million, four hundred sixty-eight thousand, three hundred ninety-three".