3123904 has 56 divisors (see below), whose sum is σ = 7477760. Its totient is φ = 1264896.

The previous prime is 3123893. The next prime is 3123931. The reversal of 3123904 is 4093213.

3123904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

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, 8329 + ... + 8695.

Almost surely, 2^3123904 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 3123904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3738880).

3123904 is an abundant number, since it is smaller than the sum of its proper divisors (4353856).

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

3123904 is a wasteful number, since it uses less digits than its factorization.

3123904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3123904 is about 1767.4569301683. The cubic root of 3123904 is about 146.1837930537.

The spelling of 3123904 in words is "three million, one hundred twenty-three thousand, nine hundred four".