447564 has 48 divisors (see below), whose sum is σ = 1191680. Its totient is φ = 129600.

The previous prime is 447541. The next prime is 447569. The reversal of 447564 is 465744.

It is not an unprimeable number, because it can be changed into a prime (447569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2889 + ... + 3039.

2⁴⁴⁷⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595840).

447564 is an abundant number, since it is smaller than the sum of its proper divisors (744116).

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

447564 is a wasteful number, since it uses less digits than its factorization.

447564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 447564 is about 669.0022421487. The cubic root of 447564 is about 76.4924166946.

The spelling of 447564 in words is "four hundred forty-seven thousand, five hundred sixty-four".