4505904 has 120 divisors (see below), whose sum is σ = 14217840. Its totient is φ = 1322496.

The previous prime is 4505899. The next prime is 4505929. The reversal of 4505904 is 4095054.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54247 + ... + 54329.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

Almost surely, 2^4505904 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 4505904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7108920).

4505904 is an abundant number, since it is smaller than the sum of its proper divisors (9711936).

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

4505904 is a wasteful number, since it uses less digits than its factorization.

4505904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4505904 is about 2122.7114735639. The cubic root of 4505904 is about 165.1685330338.

The spelling of 4505904 in words is "four million, five hundred five thousand, nine hundred four".