6129904 has 40 divisors (see below), whose sum is σ = 13414320. Its totient is φ = 2688000.

The previous prime is 6129899. The next prime is 6129919. The reversal of 6129904 is 4099216.

It is a happy number.

6129904 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4504 + ... + 5704.

It is an arithmetic number, because the mean of its divisors is an integer number (335358).

Almost surely, 2^6129904 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 6129904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6707160).

6129904 is an abundant number, since it is smaller than the sum of its proper divisors (7284416).

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

6129904 is a wasteful number, since it uses less digits than its factorization.

6129904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6129904 is about 2475.8642935347. The cubic root of 6129904 is about 183.0141030468.

The spelling of 6129904 in words is "six million, one hundred twenty-nine thousand, nine hundred four".