444243607 has 4 divisors (see below), whose sum is σ = 448823536. Its totient is φ = 439663680.

The previous prime is 444243599. The next prime is 444243619. The reversal of 444243607 is 706342444.

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

It is a cyclic number.

It is not a de Polignac number, because 444243607 - 2³ = 444243599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444243637) 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, 2289819 + ... + 2290012.

It is an arithmetic number, because the mean of its divisors is an integer number (112205884).

Almost surely, 2^444243607 is an apocalyptic number.

444243607 is a deficient number, since it is larger than the sum of its proper divisors (4579929).

444243607 is an equidigital number, since it uses as much as digits as its factorization.

444243607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579928.

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 444243607 is about 21077.0872513258. The cubic root of 444243607 is about 763.0278603082.

The spelling of 444243607 in words is "four hundred forty-four million, two hundred forty-three thousand, six hundred seven".