447085 has 4 divisors (see below), whose sum is σ = 536508. Its totient is φ = 357664.

The previous prime is 447079. The next prime is 447101. The reversal of 447085 is 580744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 94249 = 594^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 447085 - 2⁵ = 447053 is a prime.

It is an Ulam number.

It is a Duffinian number.

447085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 44704 + ... + 44713.

It is an arithmetic number, because the mean of its divisors is an integer number (134127).

2⁴⁴⁷⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

447085 is a deficient number, since it is larger than the sum of its proper divisors (89423).

447085 is an equidigital number, since it uses as much as digits as its factorization.

447085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89422.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 447085 is about 668.6441505016. The cubic root of 447085 is about 76.4651185901.

It can be divided in two parts, 4 and 47085, that added together give a square (47089 = 217²).

The spelling of 447085 in words is "four hundred forty-seven thousand, eighty-five".