806719438 has 36 divisors (see below), whose sum is σ = 1422897840. Its totient is φ = 342029352.

The previous prime is 806719387. The next prime is 806719439. The reversal of 806719438 is 834917608.

It is a happy number.

806719438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806719439) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1121643 + ... + 1122361.

It is an arithmetic number, because the mean of its divisors is an integer number (39524940).

Almost surely, 2^806719438 is an apocalyptic number.

806719438 is a deficient number, since it is larger than the sum of its proper divisors (616178402).

806719438 is a wasteful number, since it uses less digits than its factorization.

806719438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 806719438 is about 28402.8068683361. The cubic root of 806719438 is about 930.9095960609.

It can be divided in two parts, 80671 and 9438, that added together give a palindrome (90109).

The spelling of 806719438 in words is "eight hundred six million, seven hundred nineteen thousand, four hundred thirty-eight".