2923904 has 32 divisors (see below), whose sum is σ = 5948640. Its totient is φ = 1431040.

The previous prime is 2923903. The next prime is 2923927. The reversal of 2923904 is 4093292.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6569 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (185895).

2^2923904 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 2923904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974320).

2923904 is an abundant number, since it is smaller than the sum of its proper divisors (3024736).

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

2923904 is an equidigital number, since it uses as much as digits as its factorization.

2923904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2923904 is about 1709.9426890981. The cubic root of 2923904 is about 142.9950607126.

The spelling of 2923904 in words is "two million, nine hundred twenty-three thousand, nine hundred four".