444399999 has 8 divisors (see below), whose sum is σ = 594464640. Its totient is φ = 295301016.

The previous prime is 444399979. The next prime is 444400003. The reversal of 444399999 is 999993444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444399999 - 2⁷ = 444399871 is a prime.

It is a super-2 number, since 2×444399999² = 394982718222400002, which contains 22 as substring.

444399999 is a modest number, since divided by 99999 gives 4443 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444399929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240339 + ... + 242180.

It is an arithmetic number, because the mean of its divisors is an integer number (74308080).

Almost surely, 2^444399999 is an apocalyptic number.

444399999 is a deficient number, since it is larger than the sum of its proper divisors (150064641).

444399999 is a wasteful number, since it uses less digits than its factorization.

444399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482829.

The product of its digits is 11337408, while the sum is 60.

The square root of 444399999 is about 21080.7969251639. The cubic root of 444399999 is about 763.1173888542.

The spelling of 444399999 in words is "four hundred forty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".