441971 has 2 divisors, whose sum is σ = 441972. Its totient is φ = 441970.

The previous prime is 441953. The next prime is 442003. The reversal of 441971 is 179144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441971 - 2⁶ = 441907 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 441971.

It is not a weakly prime, because it can be changed into another prime (444971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220985 + 220986.

It is an arithmetic number, because the mean of its divisors is an integer number (220986).

2⁴⁴¹⁹⁷¹ is an apocalyptic number.

441971 is a deficient number, since it is larger than the sum of its proper divisors (1).

441971 is an equidigital number, since it uses as much as digits as its factorization.

441971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 441971 is about 664.8089951257. The cubic root of 441971 is about 76.1724500447.

The spelling of 441971 in words is "four hundred forty-one thousand, nine hundred seventy-one".