104104404 has 18 divisors (see below), whose sum is σ = 263152890. Its totient is φ = 34701456.

The previous prime is 104104397. The next prime is 104104411. The reversal of 104104404 is 404401401.

It is an interprime number because it is at equal distance from previous prime (104104397) and next prime (104104411).

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 33039504 = 8430^2 + 5748^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 1445859 + ... + 1445930.

It is an arithmetic number, because the mean of its divisors is an integer number (14619605).

Almost surely, 2^104104404 is an apocalyptic number.

It is an amenable number.

104104404 is an abundant number, since it is smaller than the sum of its proper divisors (159048486).

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

104104404 is a wasteful number, since it uses less digits than its factorization.

104104404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891799 (or 2891794 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 104104404 is about 10203.1565703953. The cubic root of 104104404 is about 470.4242494961.

Adding to 104104404 its reverse (404401401), we get a palindrome (508505805).

The spelling of 104104404 in words is "one hundred four million, one hundred four thousand, four hundred four".