447448 has 8 divisors (see below), whose sum is σ = 838980. Its totient is φ = 223720.

The previous prime is 447443. The next prime is 447449. The reversal of 447448 is 844744.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27958 + ... + 27973.

2⁴⁴⁷⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

447448 is a deficient number, since it is larger than the sum of its proper divisors (391532).

447448 is a wasteful number, since it uses less digits than its factorization.

447448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937 (or 55933 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 447448 is about 668.9155402590. The cubic root of 447448 is about 76.4858076681.

The spelling of 447448 in words is "four hundred forty-seven thousand, four hundred forty-eight".