444973999 has 8 divisors (see below), whose sum is σ = 464394960. Its totient is φ = 425824896.

The previous prime is 444973981. The next prime is 444974029. The reversal of 444973999 is 999379444.

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

It is a cyclic number.

It is not a de Polignac number, because 444973999 - 2⁷ = 444973871 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 (444973099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64617 + ... + 71170.

It is an arithmetic number, because the mean of its divisors is an integer number (58049370).

Almost surely, 2^444973999 is an apocalyptic number.

444973999 is a deficient number, since it is larger than the sum of its proper divisors (19420961).

444973999 is a wasteful number, since it uses less digits than its factorization.

444973999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135929.

The product of its digits is 8817984, while the sum is 58.

The square root of 444973999 is about 21094.4068179221. The cubic root of 444973999 is about 763.4458023908.

The spelling of 444973999 in words is "four hundred forty-four million, nine hundred seventy-three thousand, nine hundred ninety-nine".