4134409 has 2 divisors, whose sum is σ = 4134410. Its totient is φ = 4134408.

The previous prime is 4134391. The next prime is 4134413. The reversal of 4134409 is 9044314.

It is a happy number.

4134409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 883600 = 1803^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134409 - 2¹¹ = 4132361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4134469) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067204 + 2067205.

It is an arithmetic number, because the mean of its divisors is an integer number (2067205).

Almost surely, 2^4134409 is an apocalyptic number.

It is an amenable number.

4134409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4134409 is an equidigital number, since it uses as much as digits as its factorization.

4134409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4134409 is about 2033.3246174677. The cubic root of 4134409 is about 160.4985620482.

It can be divided in two parts, 413440 and 9, that added together give a square (413449 = 643²).

The spelling of 4134409 in words is "four million, one hundred thirty-four thousand, four hundred nine".