444980847 has 4 divisors (see below), whose sum is σ = 593307800. Its totient is φ = 296653896.

The previous prime is 444980827. The next prime is 444980849. The reversal of 444980847 is 748089444.

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

It is not a de Polignac number, because 444980847 - 2¹¹ = 444978799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444980796 and 444980805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444980849) 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, 74163472 + ... + 74163477.

It is an arithmetic number, because the mean of its divisors is an integer number (148326950).

Almost surely, 2^444980847 is an apocalyptic number.

444980847 is a deficient number, since it is larger than the sum of its proper divisors (148326953).

444980847 is a wasteful number, since it uses less digits than its factorization.

444980847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148326952.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 444980847 is about 21094.5691352063. The cubic root of 444980847 is about 763.4497187619.

The spelling of 444980847 in words is "four hundred forty-four million, nine hundred eighty thousand, eight hundred forty-seven".