4049585 has 4 divisors (see below), whose sum is σ = 4859508. Its totient is φ = 3239664.

The previous prime is 4049579. The next prime is 4049593. The reversal of 4049585 is 5859404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 1787569 = 1504^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049585 - 2⁴ = 4049569 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404954 + ... + 404963.

It is an arithmetic number, because the mean of its divisors is an integer number (1214877).

Almost surely, 2^4049585 is an apocalyptic number.

It is an amenable number.

4049585 is a deficient number, since it is larger than the sum of its proper divisors (809923).

4049585 is an equidigital number, since it uses as much as digits as its factorization.

4049585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809922.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4049585 is about 2012.3580695294. The cubic root of 4049585 is about 159.3933407062.

The spelling of 4049585 in words is "four million, forty-nine thousand, five hundred eighty-five".