3998589 has 8 divisors (see below), whose sum is σ = 6093120. Its totient is φ = 2284896.

The previous prime is 3998581. The next prime is 3998591. The reversal of 3998589 is 9858993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3998589 - 2³ = 3998581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998581) 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 7 ways as a sum of consecutive naturals, for example, 95184 + ... + 95225.

It is an arithmetic number, because the mean of its divisors is an integer number (761640).

Almost surely, 2^3998589 is an apocalyptic number.

It is an amenable number.

3998589 is a deficient number, since it is larger than the sum of its proper divisors (2094531).

3998589 is a wasteful number, since it uses less digits than its factorization.

3998589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190419.

The product of its digits is 699840, while the sum is 51.

The square root of 3998589 is about 1999.6472188864. The cubic root of 3998589 is about 158.7214378110.

The spelling of 3998589 in words is "three million, nine hundred ninety-eight thousand, five hundred eighty-nine".