3989089 has 4 divisors (see below), whose sum is σ = 4295956. Its totient is φ = 3682224.

The previous prime is 3989057. The next prime is 3989093. The reversal of 3989089 is 9809893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 3179089 = 900^2 + 1783^2 .

It is not a de Polignac number, because 3989089 - 2⁵ = 3989057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989009) 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, 153414 + ... + 153439.

It is an arithmetic number, because the mean of its divisors is an integer number (1073989).

Almost surely, 2^3989089 is an apocalyptic number.

It is an amenable number.

3989089 is a deficient number, since it is larger than the sum of its proper divisors (306867).

3989089 is a wasteful number, since it uses less digits than its factorization.

3989089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306866.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 3989089 is about 1997.2703873036. The cubic root of 3989089 is about 158.5956393208.

The spelling of 3989089 in words is "three million, nine hundred eighty-nine thousand, eighty-nine".