4538905 has 16 divisors (see below), whose sum is σ = 6378624. Its totient is φ = 3035520.

The previous prime is 4538899. The next prime is 4538917. The reversal of 4538905 is 5098354.

It is not a de Polignac number, because 4538905 - 2¹⁹ = 4014617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 3016.

It is an arithmetic number, because the mean of its divisors is an integer number (398664).

Almost surely, 2^4538905 is an apocalyptic number.

It is an amenable number.

4538905 is a deficient number, since it is larger than the sum of its proper divisors (1839719).

4538905 is a wasteful number, since it uses less digits than its factorization.

4538905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 4538905 is about 2130.4706052889. The cubic root of 4538905 is about 165.5707811137.

The spelling of 4538905 in words is "four million, five hundred thirty-eight thousand, nine hundred five".