447865842 has 32 divisors (see below), whose sum is σ = 909703872. Its totient is φ = 146972864.

The previous prime is 447865811. The next prime is 447865861. The reversal of 447865842 is 248568744.

It is a junction number, because it is equal to n+sod(n) for n = 447865791 and 447865800.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156448 + ... + 159284.

It is an arithmetic number, because the mean of its divisors is an integer number (28428246).

Almost surely, 2^447865842 is an apocalyptic number.

447865842 is an abundant number, since it is smaller than the sum of its proper divisors (461838030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447865842 is a wasteful number, since it uses less digits than its factorization.

447865842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242.

The product of its digits is 1720320, while the sum is 48.

The square root of 447865842 is about 21162.8410663597. The cubic root of 447865842 is about 765.0960860128.

The spelling of 447865842 in words is "four hundred forty-seven million, eight hundred sixty-five thousand, eight hundred forty-two".