2004138208 has 24 divisors (see below), whose sum is σ = 3972137400. Its totient is φ = 995341440.

The previous prime is 2004138197. The next prime is 2004138209. The reversal of 2004138208 is 8028314002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004138209) 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, 205398 + ... + 214933.

It is an arithmetic number, because the mean of its divisors is an integer number (165505725).

Almost surely, 2^2004138208 is an apocalyptic number.

It is an amenable number.

2004138208 is a deficient number, since it is larger than the sum of its proper divisors (1967999192).

2004138208 is a wasteful number, since it uses less digits than its factorization.

2004138208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420490 (or 420482 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2004138208 is about 44767.6022141012. The cubic root of 2004138208 is about 1260.7894204816.

The spelling of 2004138208 in words is "two billion, four million, one hundred thirty-eight thousand, two hundred eight".