447867 has 12 divisors (see below), whose sum is σ = 739440. Its totient is φ = 255888.

The previous prime is 447859. The next prime is 447877. The reversal of 447867 is 768744.

It is a happy number.

It is not a de Polignac number, because 447867 - 2³ = 447859 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (447817) 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 11 ways as a sum of consecutive naturals, for example, 3492 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (61620).

2⁴⁴⁷⁸⁶⁷ is an apocalyptic number.

447867 is a deficient number, since it is larger than the sum of its proper divisors (291573).

447867 is a wasteful number, since it uses less digits than its factorization.

447867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7119 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 447867 is about 669.2286604741. The cubic root of 447867 is about 76.5096745422.

The spelling of 447867 in words is "four hundred forty-seven thousand, eight hundred sixty-seven".