447859 has 2 divisors, whose sum is σ = 447860. Its totient is φ = 447858.

The previous prime is 447841. The next prime is 447877. The reversal of 447859 is 958744.

It is a balanced prime because it is at equal distance from previous prime (447841) and next prime (447877).

It is a cyclic number.

It is not a de Polignac number, because 447859 - 2⁵ = 447827 is a prime.

It is a Chen prime.

447859 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (447829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223929 + 223930.

It is an arithmetic number, because the mean of its divisors is an integer number (223930).

2⁴⁴⁷⁸⁵⁹ is an apocalyptic number.

447859 is a deficient number, since it is larger than the sum of its proper divisors (1).

447859 is an equidigital number, since it uses as much as digits as its factorization.

447859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 447859 is about 669.2226834171. Note that the first 3 decimals coincide. The cubic root of 447859 is about 76.5092189895.

The spelling of 447859 in words is "four hundred forty-seven thousand, eight hundred fifty-nine".