2169443 has 2 divisors, whose sum is σ = 2169444. Its totient is φ = 2169442.

The previous prime is 2169397. The next prime is 2169457. The reversal of 2169443 is 3449612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2169443 - 2¹⁴ = 2153059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2169143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084721 + 1084722.

It is an arithmetic number, because the mean of its divisors is an integer number (1084722).

2^2169443 is an apocalyptic number.

2169443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169443 is an equidigital number, since it uses as much as digits as its factorization.

2169443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 2169443 is about 1472.9029160131. The cubic root of 2169443 is about 129.4541809551.

The spelling of 2169443 in words is "two million, one hundred sixty-nine thousand, four hundred forty-three".