447841 has 2 divisors, whose sum is σ = 447842. Its totient is φ = 447840.

The previous prime is 447829. The next prime is 447859. The reversal of 447841 is 148744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 176400 = 521^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 447841 - 2¹⁵ = 415073 is a prime.

It is a super-2 number, since 2×447841² = 401123122562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223920 + 223921.

It is an arithmetic number, because the mean of its divisors is an integer number (223921).

2⁴⁴⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

447841 is a deficient number, since it is larger than the sum of its proper divisors (1).

447841 is an equidigital number, since it uses as much as digits as its factorization.

447841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 447841 is about 669.2092348436. The cubic root of 447841 is about 76.5081939761.

The spelling of 447841 in words is "four hundred forty-seven thousand, eight hundred forty-one".