447887 has 8 divisors (see below), whose sum is σ = 514560. Its totient is φ = 385560.

The previous prime is 447883. The next prime is 447893. The reversal of 447887 is 788744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447887 - 2² = 447883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447887.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447887.

It is not an unprimeable number, because it can be changed into a prime (447883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (64320).

2⁴⁴⁷⁸⁸⁷ is an apocalyptic number.

447887 is a deficient number, since it is larger than the sum of its proper divisors (66673).

447887 is a wasteful number, since it uses less digits than its factorization.

447887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its digits is 50176, while the sum is 38.

The square root of 447887 is about 669.2436028831. The cubic root of 447887 is about 76.5108134002.

The spelling of 447887 in words is "four hundred forty-seven thousand, eight hundred eighty-seven".