3989085 has 16 divisors (see below), whose sum is σ = 6471744. Its totient is φ = 2097792.

The previous prime is 3989057. The next prime is 3989093. The reversal of 3989085 is 5809893.

It is not a de Polignac number, because 3989085 - 2⁶ = 3989021 is a prime.

It is a congruent number.

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, 727 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (404484).

Almost surely, 2^3989085 is an apocalyptic number.

It is an amenable number.

3989085 is a deficient number, since it is larger than the sum of its proper divisors (2482659).

3989085 is a wasteful number, since it uses less digits than its factorization.

3989085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 3989085 is about 1997.2693859367. The cubic root of 3989085 is about 158.5955863110.

The spelling of 3989085 in words is "three million, nine hundred eighty-nine thousand, eighty-five".