3613789 has 2 divisors, whose sum is σ = 3613790. Its totient is φ = 3613788.

The previous prime is 3613787. The next prime is 3613807. The reversal of 3613789 is 9873163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 209764 = 1845^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 3613789 - 2¹ = 3613787 is a prime.

Together with 3613787, it forms a pair of twin primes.

It is a Chen prime.

3613789 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806894 + 1806895.

It is an arithmetic number, because the mean of its divisors is an integer number (1806895).

Almost surely, 2^3613789 is an apocalyptic number.

It is an amenable number.

3613789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613789 is an equidigital number, since it uses as much as digits as its factorization.

3613789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 3613789 is about 1900.9968437638. The cubic root of 3613789 is about 153.4573157073.

The spelling of 3613789 in words is "three million, six hundred thirteen thousand, seven hundred eighty-nine".