447856 has 20 divisors (see below), whose sum is σ = 906192. Its totient is φ = 214016.

The previous prime is 447841. The next prime is 447859. The reversal of 447856 is 658744.

447856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447859) by changing a digit.

447856 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 in 3 ways as a sum of consecutive naturals, for example, 241 + ... + 976.

2⁴⁴⁷⁸⁵⁶ is an apocalyptic number.

447856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

447856 is an abundant number, since it is smaller than the sum of its proper divisors (458336).

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

447856 is a wasteful number, since it uses less digits than its factorization.

447856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1242 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 447856 is about 669.2204420070. The cubic root of 447856 is about 76.5090481559.

The spelling of 447856 in words is "four hundred forty-seven thousand, eight hundred fifty-six".