808085638 has 8 divisors (see below), whose sum is σ = 1253926080. Its totient is φ = 390110280.

The previous prime is 808085623. The next prime is 808085651. The reversal of 808085638 is 836580808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6966198 + ... + 6966313.

It is an arithmetic number, because the mean of its divisors is an integer number (156740760).

Almost surely, 2^808085638 is an apocalyptic number.

808085638 is a deficient number, since it is larger than the sum of its proper divisors (445840442).

808085638 is a wasteful number, since it uses less digits than its factorization.

808085638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932542.

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 808085638 is about 28426.8471343552. The cubic root of 808085638 is about 931.4348060897.

The spelling of 808085638 in words is "eight hundred eight million, eighty-five thousand, six hundred thirty-eight".