808338431 has 4 divisors (see below), whose sum is σ = 836212200. Its totient is φ = 780464664.

The previous prime is 808338397. The next prime is 808338437. The reversal of 808338431 is 134833808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 808338431 - 2¹⁰ = 808337407 is a prime.

It is a super-2 number, since 2×808338431² = 1306822038063083522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808338437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13936841 + ... + 13936898.

It is an arithmetic number, because the mean of its divisors is an integer number (209053050).

Almost surely, 2^808338431 is an apocalyptic number.

808338431 is a deficient number, since it is larger than the sum of its proper divisors (27873769).

808338431 is a wasteful number, since it uses less digits than its factorization.

808338431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27873768.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 808338431 is about 28431.2931643990. The cubic root of 808338431 is about 931.5319227150.

The spelling of 808338431 in words is "eight hundred eight million, three hundred thirty-eight thousand, four hundred thirty-one".