444344437 has 2 divisors, whose sum is σ = 444344438. Its totient is φ = 444344436.

The previous prime is 444344423. The next prime is 444344441. The reversal of 444344437 is 734443444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433014481 + 11329956 = 20809^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 444344437 - 2¹¹ = 444342389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444344396 and 444344405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444344447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222172218 + 222172219.

It is an arithmetic number, because the mean of its divisors is an integer number (222172219).

Almost surely, 2^444344437 is an apocalyptic number.

It is an amenable number.

444344437 is a deficient number, since it is larger than the sum of its proper divisors (1).

444344437 is an equidigital number, since it uses as much as digits as its factorization.

444344437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 37.

The square root of 444344437 is about 21079.4790495401. The cubic root of 444344437 is about 763.0855841020.

The spelling of 444344437 in words is "four hundred forty-four million, three hundred forty-four thousand, four hundred thirty-seven".