4332409 has 2 divisors, whose sum is σ = 4332410. Its totient is φ = 4332408.

The previous prime is 4332407. The next prime is 4332443. The reversal of 4332409 is 9042334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 1081600 = 1803^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 4332409 - 2¹ = 4332407 is a prime.

Together with 4332407, it forms a pair of twin primes.

4332409 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4332407) 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, 2166204 + 2166205.

It is an arithmetic number, because the mean of its divisors is an integer number (2166205).

Almost surely, 2^4332409 is an apocalyptic number.

It is an amenable number.

4332409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4332409 is an equidigital number, since it uses as much as digits as its factorization.

4332409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 4332409 is about 2081.4439699401. The cubic root of 4332409 is about 163.0208487013.

The spelling of 4332409 in words is "four million, three hundred thirty-two thousand, four hundred nine".