104181904 has 40 divisors (see below), whose sum is σ = 212789952. Its totient is φ = 49315200.

The previous prime is 104181893. The next prime is 104181907. The reversal of 104181904 is 409181401.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (104181907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35767 + ... + 38569.

Almost surely, 2^104181904 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 104181904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106394976).

104181904 is an abundant number, since it is smaller than the sum of its proper divisors (108608048).

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

104181904 is a wasteful number, since it uses less digits than its factorization.

104181904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 104181904 is about 10206.9537081345. The cubic root of 104181904 is about 470.5409555294.

The spelling of 104181904 in words is "one hundred four million, one hundred eighty-one thousand, nine hundred four".