4400213 has 2 divisors, whose sum is σ = 4400214. Its totient is φ = 4400212.

The previous prime is 4400203. The next prime is 4400261. The reversal of 4400213 is 3120044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 628849 = 1942^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400213 - 2⁴ = 4400197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200106 + 2200107.

It is an arithmetic number, because the mean of its divisors is an integer number (2200107).

Almost surely, 2^4400213 is an apocalyptic number.

It is an amenable number.

4400213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400213 is an equidigital number, since it uses as much as digits as its factorization.

4400213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4400213 is about 2097.6684676087. The cubic root of 4400213 is about 163.8668982507.

Adding to 4400213 its reverse (3120044), we get a palindrome (7520257).

The spelling of 4400213 in words is "four million, four hundred thousand, two hundred thirteen".