444303997 has 4 divisors (see below), whose sum is σ = 458636416. Its totient is φ = 429971580.

The previous prime is 444303991. The next prime is 444304031. The reversal of 444303997 is 799303444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444303997 - 2¹⁹ = 443779709 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 (444303991) 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, 7166163 + ... + 7166224.

It is an arithmetic number, because the mean of its divisors is an integer number (114659104).

Almost surely, 2^444303997 is an apocalyptic number.

It is an amenable number.

444303997 is a deficient number, since it is larger than the sum of its proper divisors (14332419).

444303997 is a wasteful number, since it uses less digits than its factorization.

444303997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14332418.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 444303997 is about 21078.5198009727. The cubic root of 444303997 is about 763.0624338049.

The spelling of 444303997 in words is "four hundred forty-four million, three hundred three thousand, nine hundred ninety-seven".