3622789 has 2 divisors, whose sum is σ = 3622790. Its totient is φ = 3622788.

The previous prime is 3622783. The next prime is 3622811. The reversal of 3622789 is 9872263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 1520289 = 1450^2 + 1233^2 .

It is an emirp because it is prime and its reverse (9872263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3622789 - 2¹¹ = 3620741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811394 + 1811395.

It is an arithmetic number, because the mean of its divisors is an integer number (1811395).

Almost surely, 2^3622789 is an apocalyptic number.

It is an amenable number.

3622789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622789 is an equidigital number, since it uses as much as digits as its factorization.

3622789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 3622789 is about 1903.3625508557. The cubic root of 3622789 is about 153.5846032428.

The spelling of 3622789 in words is "three million, six hundred twenty-two thousand, seven hundred eighty-nine".