3822409 has 2 divisors, whose sum is σ = 3822410. Its totient is φ = 3822408.

The previous prime is 3822407. The next prime is 3822419. The reversal of 3822409 is 9042283.

3822409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2673225 + 1149184 = 1635^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 3822409 - 2¹ = 3822407 is a prime.

It is a super-2 number, since 2×3822409² = 29221621126562, which contains 22 as substring.

Together with 3822407, it forms a pair of twin primes.

It is a Chen prime.

3822409 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3822407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911204 + 1911205.

It is an arithmetic number, because the mean of its divisors is an integer number (1911205).

Almost surely, 2^3822409 is an apocalyptic number.

It is an amenable number.

3822409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3822409 is an equidigital number, since it uses as much as digits as its factorization.

3822409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3822409 is about 1955.0982072520. The cubic root of 3822409 is about 156.3552200081.

The spelling of 3822409 in words is "three million, eight hundred twenty-two thousand, four hundred nine".