444400003 has 2 divisors, whose sum is σ = 444400004. Its totient is φ = 444400002.

The previous prime is 444399979. The next prime is 444400057. The reversal of 444400003 is 300004444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444400003 - 2¹³ = 444391811 is a prime.

It is not a weakly prime, because it can be changed into another prime (444400093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222200001 + 222200002.

It is an arithmetic number, because the mean of its divisors is an integer number (222200002).

Almost surely, 2^444400003 is an apocalyptic number.

444400003 is a deficient number, since it is larger than the sum of its proper divisors (1).

444400003 is an equidigital number, since it uses as much as digits as its factorization.

444400003 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 19.

The square root of 444400003 is about 21080.7970200370. The cubic root of 444400003 is about 763.1173911438.

Adding to 444400003 its reverse (300004444), we get a palindrome (744404447).

The spelling of 444400003 in words is "four hundred forty-four million, four hundred thousand, three".