4138904 has 32 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1612320.

The previous prime is 4138877. The next prime is 4138933. The reversal of 4138904 is 4098314.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2744 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^4138904 is an apocalyptic number.

4138904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4138904 is an abundant number, since it is smaller than the sum of its proper divisors (5537896).

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

4138904 is a wasteful number, since it uses less digits than its factorization.

4138904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743 (or 6739 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4138904 is about 2034.4296498036. The cubic root of 4138904 is about 160.5567065730.

The spelling of 4138904 in words is "four million, one hundred thirty-eight thousand, nine hundred four".