3280189 has 6 divisors (see below), whose sum is σ = 3605630. Its totient is φ = 2981880.

The previous prime is 3280187. The next prime is 3280213. The reversal of 3280189 is 9810823.

3280189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 736164 = 1595^2 + 858^2 .

It is not a de Polignac number, because 3280189 - 2¹ = 3280187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3280189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280181) 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 in 5 ways as a sum of consecutive naturals, for example, 13434 + ... + 13675.

Almost surely, 2^3280189 is an apocalyptic number.

It is an amenable number.

3280189 is a deficient number, since it is larger than the sum of its proper divisors (325441).

3280189 is a wasteful number, since it uses less digits than its factorization.

3280189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27131 (or 27120 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 3280189 is about 1811.1292057719. The cubic root of 3280189 is about 148.5820305815.

The spelling of 3280189 in words is "three million, two hundred eighty thousand, one hundred eighty-nine".