447849 has 24 divisors (see below), whose sum is σ = 713440. Its totient is φ = 279936.

The previous prime is 447841. The next prime is 447859. The reversal of 447849 is 948744.

447849 is nontrivially palindromic in base 7 and base 8.

It is not a de Polignac number, because 447849 - 2³ = 447841 is a prime.

It is a Duffinian number.

447849 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (447841) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4569 + ... + 4665.

2⁴⁴⁷⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

447849 is a deficient number, since it is larger than the sum of its proper divisors (265591).

447849 is an equidigital number, since it uses as much as digits as its factorization.

447849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 447849 is about 669.2152120208. The cubic root of 447849 is about 76.5086495410.

It can be divided in two parts, 447 and 849, that added together give a 4-th power (1296 = 6⁴).

The spelling of 447849 in words is "four hundred forty-seven thousand, eight hundred forty-nine".