447009 has 8 divisors (see below), whose sum is σ = 601920. Its totient is φ = 295056.

The previous prime is 447001. The next prime is 447011. The reversal of 447009 is 900744.

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

It is not a de Polignac number, because 447009 - 2³ = 447001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447009.

It is not an unprimeable number, because it can be changed into a prime (447001) 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, 357 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (75240).

2⁴⁴⁷⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

447009 is a deficient number, since it is larger than the sum of its proper divisors (154911).

447009 is a wasteful number, since it uses less digits than its factorization.

447009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 447009 is about 668.5873166610. The cubic root of 447009 is about 76.4607855749.

Subtracting from 447009 its sum of digits (24), we obtain a triangular number (446985 = T₉₄₅).

The spelling of 447009 in words is "four hundred forty-seven thousand, nine".