444989345 has 8 divisors (see below), whose sum is σ = 551212800. Its totient is φ = 344507760.

The previous prime is 444989341. The next prime is 444989351. The reversal of 444989345 is 543989444.

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

It is not a de Polignac number, because 444989345 - 2² = 444989341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444989293 and 444989302.

It is not an unprimeable number, because it can be changed into a prime (444989341) 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, 1435295 + ... + 1435604.

It is an arithmetic number, because the mean of its divisors is an integer number (68901600).

Almost surely, 2^444989345 is an apocalyptic number.

It is an amenable number.

444989345 is a deficient number, since it is larger than the sum of its proper divisors (106223455).

444989345 is a wasteful number, since it uses less digits than its factorization.

444989345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870935.

The product of its digits is 2488320, while the sum is 50.

The square root of 444989345 is about 21094.7705604967. The cubic root of 444989345 is about 763.4545787122.

Subtracting 444989345 from its reverse (543989444), we obtain a palindrome (99000099).

The spelling of 444989345 in words is "four hundred forty-four million, nine hundred eighty-nine thousand, three hundred forty-five".