3989593 has 2 divisors, whose sum is σ = 3989594. Its totient is φ = 3989592.

The previous prime is 3989569. The next prime is 3989641. The reversal of 3989593 is 3959893.

3989593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 760384 = 1797^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 3989593 - 2¹³ = 3981401 is a prime.

It is a super-3 number, since 3×3989593³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3989533) 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 as a sum of consecutive naturals, namely, 1994796 + 1994797.

It is an arithmetic number, because the mean of its divisors is an integer number (1994797).

Almost surely, 2^3989593 is an apocalyptic number.

It is an amenable number.

3989593 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989593 is an equidigital number, since it uses as much as digits as its factorization.

3989593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 46.

The square root of 3989593 is about 1997.3965555192. The cubic root of 3989593 is about 158.6023182757.

The spelling of 3989593 in words is "three million, nine hundred eighty-nine thousand, five hundred ninety-three".