447812 has 6 divisors (see below), whose sum is σ = 783678. Its totient is φ = 223904.

The previous prime is 447793. The next prime is 447817. The reversal of 447812 is 218744.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 118336 = 574^2 + 344^2 .

It is not an unprimeable number, because it can be changed into a prime (447817) by changing a digit.

447812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55973 + ... + 55980.

It is an arithmetic number, because the mean of its divisors is an integer number (130613).

2⁴⁴⁷⁸¹² is an apocalyptic number.

It is an amenable number.

447812 is a deficient number, since it is larger than the sum of its proper divisors (335866).

447812 is a wasteful number, since it uses less digits than its factorization.

447812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111957 (or 111955 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 447812 is about 669.1875671290. The cubic root of 447812 is about 76.5065425079.

The spelling of 447812 in words is "four hundred forty-seven thousand, eight hundred twelve".