6138904 has 16 divisors (see below), whose sum is σ = 12187800. Its totient is φ = 2888832.

The previous prime is 6138901. The next prime is 6138947. The reversal of 6138904 is 4098316.

6138904 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6138904² = 75372284642432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138901) 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 3 ways as a sum of consecutive naturals, for example, 22434 + ... + 22705.

Almost surely, 2^6138904 is an apocalyptic number.

It is an amenable number.

6138904 is a deficient number, since it is larger than the sum of its proper divisors (6048896).

6138904 is a wasteful number, since it uses less digits than its factorization.

6138904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45162 (or 45158 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6138904 is about 2477.6811740012. The cubic root of 6138904 is about 183.1036270956.

The spelling of 6138904 in words is "six million, one hundred thirty-eight thousand, nine hundred four".