3628189 has 2 divisors, whose sum is σ = 3628190. Its totient is φ = 3628188.

The previous prime is 3628187. The next prime is 3628193. The reversal of 3628189 is 9818263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 235225 = 1842^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628189 - 2¹ = 3628187 is a prime.

Together with 3628187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3628187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814094 + 1814095.

It is an arithmetic number, because the mean of its divisors is an integer number (1814095).

Almost surely, 2^3628189 is an apocalyptic number.

It is an amenable number.

3628189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628189 is an equidigital number, since it uses as much as digits as its factorization.

3628189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 3628189 is about 1904.7805647896. The cubic root of 3628189 is about 153.6608746024.

The spelling of 3628189 in words is "three million, six hundred twenty-eight thousand, one hundred eighty-nine".