3999585 has 16 divisors (see below), whose sum is σ = 6678144. Its totient is φ = 2040192.

The previous prime is 3999581. The next prime is 3999599. The reversal of 3999585 is 5859993.

3999585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3999585 - 2² = 3999581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3999581) 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 15 ways as a sum of consecutive naturals, for example, 5452 + ... + 6141.

It is an arithmetic number, because the mean of its divisors is an integer number (417384).

Almost surely, 2^3999585 is an apocalyptic number.

It is an amenable number.

3999585 is a deficient number, since it is larger than the sum of its proper divisors (2678559).

3999585 is a wasteful number, since it uses less digits than its factorization.

3999585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624.

The product of its digits is 437400, while the sum is 48.

The square root of 3999585 is about 1999.8962473088. The cubic root of 3999585 is about 158.7346152450.

The spelling of 3999585 in words is "three million, nine hundred ninety-nine thousand, five hundred eighty-five".