3628789 has 2 divisors, whose sum is σ = 3628790. Its totient is φ = 3628788.

The previous prime is 3628783. The next prime is 3628811. The reversal of 3628789 is 9878263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 1716100 = 1383^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628789 - 2¹¹ = 3626741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3628783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814394 + 1814395.

It is an arithmetic number, because the mean of its divisors is an integer number (1814395).

Almost surely, 2^3628789 is an apocalyptic number.

It is an amenable number.

3628789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628789 is an equidigital number, since it uses as much as digits as its factorization.

3628789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 3628789 is about 1904.9380567357. The cubic root of 3628789 is about 153.6693445253.

The spelling of 3628789 in words is "three million, six hundred twenty-eight thousand, seven hundred eighty-nine".