4416409 has 2 divisors, whose sum is σ = 4416410. Its totient is φ = 4416408.

The previous prime is 4416371. The next prime is 4416421. The reversal of 4416409 is 9046144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3504384 + 912025 = 1872^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 4416409 - 2²¹ = 2319257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4416499) 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, 2208204 + 2208205.

It is an arithmetic number, because the mean of its divisors is an integer number (2208205).

Almost surely, 2^4416409 is an apocalyptic number.

It is an amenable number.

4416409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4416409 is an equidigital number, since it uses as much as digits as its factorization.

4416409 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 4416409 is about 2101.5253983714. The cubic root of 4416409 is about 164.0677020694.

The spelling of 4416409 in words is "four million, four hundred sixteen thousand, four hundred nine".