4489905 has 32 divisors (see below), whose sum is σ = 8356608. Its totient is φ = 2016000.

The previous prime is 4489897. The next prime is 4489937. The reversal of 4489905 is 5099844.

It is not a de Polignac number, because 4489905 - 2³ = 4489897 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6055 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (261144).

Almost surely, 2^4489905 is an apocalyptic number.

It is an amenable number.

4489905 is a deficient number, since it is larger than the sum of its proper divisors (3866703).

4489905 is a wasteful number, since it uses less digits than its factorization.

4489905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4489905 is about 2118.9395932872. The cubic root of 4489905 is about 164.9728146213.

The spelling of 4489905 in words is "four million, four hundred eighty-nine thousand, nine hundred five".