847201 has 2 divisors, whose sum is σ = 847202. Its totient is φ = 847200.

The previous prime is 847193. The next prime is 847213. The reversal of 847201 is 102748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 245025 = 776^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 847201 - 2³ = 847193 is a prime.

It is not a weakly prime, because it can be changed into another prime (847271) 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 as a sum of consecutive naturals, namely, 423600 + 423601.

It is an arithmetic number, because the mean of its divisors is an integer number (423601).

2⁸⁴⁷²⁰¹ is an apocalyptic number.

It is an amenable number.

847201 is a deficient number, since it is larger than the sum of its proper divisors (1).

847201 is an equidigital number, since it uses as much as digits as its factorization.

847201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 847201 is about 920.4352231417. The cubic root of 847201 is about 94.6227327603.

Adding to 847201 its reverse (102748), we get a palindrome (949949).

The spelling of 847201 in words is "eight hundred forty-seven thousand, two hundred one".