3986589 has 4 divisors (see below), whose sum is σ = 5315456. Its totient is φ = 2657724.

The previous prime is 3986581. The next prime is 3986597. The reversal of 3986589 is 9856893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3986581) and next prime (3986597).

It is not a de Polignac number, because 3986589 - 2³ = 3986581 is a prime.

It is a D-number.

It is a Duffinian number.

3986589 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986581) by changing a digit.

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, 664429 + ... + 664434.

It is an arithmetic number, because the mean of its divisors is an integer number (1328864).

Almost surely, 2^3986589 is an apocalyptic number.

It is an amenable number.

3986589 is a deficient number, since it is larger than the sum of its proper divisors (1328867).

3986589 is a wasteful number, since it uses less digits than its factorization.

3986589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328866.

The product of its digits is 466560, while the sum is 48.

The square root of 3986589 is about 1996.6444350460. The cubic root of 3986589 is about 158.5625012656.

The spelling of 3986589 in words is "three million, nine hundred eighty-six thousand, five hundred eighty-nine".