504004104 has 24 divisors (see below), whose sum is σ = 1365011310. Its totient is φ = 168001344.

The previous prime is 504004099. The next prime is 504004147. The reversal of 504004104 is 401400405.

It can be written as a sum of positive squares in only one way, i.e., 388011204 + 115992900 = 19698^2 + 10770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

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 5 ways as a sum of consecutive naturals, for example, 3499957 + ... + 3500100.

Almost surely, 2^504004104 is an apocalyptic number.

It is an amenable number.

504004104 is an abundant number, since it is smaller than the sum of its proper divisors (861007206).

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

504004104 is a wasteful number, since it uses less digits than its factorization.

504004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000069 (or 7000062 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 504004104 is about 22450.0357238023. The cubic root of 504004104 is about 795.8136016330.

Adding to 504004104 its reverse (401400405), we get a palindrome (905404509).

The spelling of 504004104 in words is "five hundred four million, four thousand, one hundred four".