4004905 has 8 divisors (see below), whose sum is σ = 4867200. Its totient is φ = 3163056.

The previous prime is 4004887. The next prime is 4004909. The reversal of 4004905 is 5094004.

4004905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4004905 - 2⁵ = 4004873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4004909) by changing a digit.

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, 4675 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (608400).

Almost surely, 2^4004905 is an apocalyptic number.

It is an amenable number.

4004905 is a deficient number, since it is larger than the sum of its proper divisors (862295).

4004905 is a wasteful number, since it uses less digits than its factorization.

4004905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4004905 is about 2001.2258743080. The cubic root of 4004905 is about 158.8049637111.

Adding to 4004905 its reverse (5094004), we get a palindrome (9098909).

The spelling of 4004905 in words is "four million, four thousand, nine hundred five".