444463793 has 6 divisors (see below), whose sum is σ = 472146966. Its totient is φ = 418318592.

The previous prime is 444463783. The next prime is 444463813. The reversal of 444463793 is 397364444.

It can be written as a sum of positive squares in 3 ways, for example, as 189007504 + 255456289 = 13748^2 + 15983^2 .

It is not a de Polignac number, because 444463793 - 2²⁸ = 176028337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444463783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768680 + ... + 769257.

It is an arithmetic number, because the mean of its divisors is an integer number (78691161).

Almost surely, 2^444463793 is an apocalyptic number.

It is an amenable number.

444463793 is a deficient number, since it is larger than the sum of its proper divisors (27683173).

444463793 is a wasteful number, since it uses less digits than its factorization.

444463793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537971 (or 1537954 counting only the distinct ones).

The product of its digits is 870912, while the sum is 44.

The square root of 444463793 is about 21082.3099540824. The cubic root of 444463793 is about 763.1539024917.

The spelling of 444463793 in words is "four hundred forty-four million, four hundred sixty-three thousand, seven hundred ninety-three".