444384943 has 4 divisors (see below), whose sum is σ = 444462640. Its totient is φ = 444307248.

The previous prime is 444384923. The next prime is 444384959. The reversal of 444384943 is 349483444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444384943 is a prime.

It is a super-2 number, since 2×444384943² = 394955955130226498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444384943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444384923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29523 + ... + 41956.

It is an arithmetic number, because the mean of its divisors is an integer number (111115660).

Almost surely, 2^444384943 is an apocalyptic number.

444384943 is a deficient number, since it is larger than the sum of its proper divisors (77697).

444384943 is an equidigital number, since it uses as much as digits as its factorization.

444384943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77696.

The product of its digits is 663552, while the sum is 43.

The square root of 444384943 is about 21080.4398198899. The cubic root of 444384943 is about 763.1087707735.

The spelling of 444384943 in words is "four hundred forty-four million, three hundred eighty-four thousand, nine hundred forty-three".