447842445 has 16 divisors (see below), whose sum is σ = 754261440. Its totient is φ = 226278144.

The previous prime is 447842443. The next prime is 447842477. The reversal of 447842445 is 544248744.

It is not a de Polignac number, because 447842445 - 2¹ = 447842443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447842397 and 447842406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447842443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785404 + ... + 785973.

It is an arithmetic number, because the mean of its divisors is an integer number (47141340).

Almost surely, 2^447842445 is an apocalyptic number.

It is an amenable number.

447842445 is a deficient number, since it is larger than the sum of its proper divisors (306418995).

447842445 is a wasteful number, since it uses less digits than its factorization.

447842445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571404.

The product of its digits is 573440, while the sum is 42.

The square root of 447842445 is about 21162.2882741919. The cubic root of 447842445 is about 765.0827626295.

The spelling of 447842445 in words is "four hundred forty-seven million, eight hundred forty-two thousand, four hundred forty-five".