447471 has 8 divisors (see below), whose sum is σ = 662960. Its totient is φ = 298296.

The previous prime is 447467. The next prime is 447481. The reversal of 447471 is 174744.

It is not a de Polignac number, because 447471 - 2² = 447467 is a prime.

It is a super-3 number, since 3×447471³ = 268791752130804333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16573 = 447471 / (4 + 4 + 7 + 4 + 7 + 1).

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447401) 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, 8260 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (82870).

2⁴⁴⁷⁴⁷¹ is an apocalyptic number.

447471 is a deficient number, since it is larger than the sum of its proper divisors (215489).

447471 is a wasteful number, since it uses less digits than its factorization.

447471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16582 (or 16576 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 447471 is about 668.9327320441. The cubic root of 447471 is about 76.4871181693.

The spelling of 447471 in words is "four hundred forty-seven thousand, four hundred seventy-one", and thus it is an iban number.