4440413 has 2 divisors, whose sum is σ = 4440414. Its totient is φ = 4440412.

The previous prime is 4440389. The next prime is 4440421. The reversal of 4440413 is 3140444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 38809 = 2098^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440413 - 2¹⁰ = 4439389 is a prime.

It is a super-2 number, since 2×4440413² = 39434535221138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440613) 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, 2220206 + 2220207.

It is an arithmetic number, because the mean of its divisors is an integer number (2220207).

Almost surely, 2^4440413 is an apocalyptic number.

It is an amenable number.

4440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440413 is an equidigital number, since it uses as much as digits as its factorization.

4440413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4440413 is about 2107.2287488548. The cubic root of 4440413 is about 164.3644112655.

Adding to 4440413 its reverse (3140444), we get a palindrome (7580857).

The spelling of 4440413 in words is "four million, four hundred forty thousand, four hundred thirteen".