3243789 has 6 divisors (see below), whose sum is σ = 4685486. Its totient is φ = 2162520.

The previous prime is 3243781. The next prime is 3243811. The reversal of 3243789 is 9873423.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 110889 = 1770^2 + 333^2 .

It is not a de Polignac number, because 3243789 - 2³ = 3243781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243781) 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 5 ways as a sum of consecutive naturals, for example, 180202 + ... + 180219.

Almost surely, 2^3243789 is an apocalyptic number.

It is an amenable number.

3243789 is a deficient number, since it is larger than the sum of its proper divisors (1441697).

3243789 is a wasteful number, since it uses less digits than its factorization.

3243789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360427 (or 360424 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3243789 is about 1801.0521924697. The cubic root of 3243789 is about 148.0303839493.

The spelling of 3243789 in words is "three million, two hundred forty-three thousand, seven hundred eighty-nine".