104131808 has 72 divisors (see below), whose sum is σ = 233672040. Its totient is φ = 45248000.

The previous prime is 104131793. The next prime is 104131829. The reversal of 104131808 is 808131401.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1030958 + ... + 1031058.

It is an arithmetic number, because the mean of its divisors is an integer number (3245445).

Almost surely, 2^104131808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104131808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116836020).

104131808 is an abundant number, since it is smaller than the sum of its proper divisors (129540232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104131808 is a wasteful number, since it uses less digits than its factorization.

104131808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 104131808 is about 10204.4993997746. The cubic root of 104131808 is about 470.4655233668.

It can be divided in two parts, 10413 and 1808, that added together give a palindrome (12221).

The spelling of 104131808 in words is "one hundred four million, one hundred thirty-one thousand, eight hundred eight".