847361 has 2 divisors, whose sum is σ = 847362. Its totient is φ = 847360.

The previous prime is 847339. The next prime is 847367. The reversal of 847361 is 163748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 961 = 920^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 847361 - 2¹⁸ = 585217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (847367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423680 + 423681.

It is an arithmetic number, because the mean of its divisors is an integer number (423681).

2⁸⁴⁷³⁶¹ is an apocalyptic number.

It is an amenable number.

847361 is a deficient number, since it is larger than the sum of its proper divisors (1).

847361 is an equidigital number, since it uses as much as digits as its factorization.

847361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 847361 is about 920.5221344433. The cubic root of 847361 is about 94.6286891131.

The spelling of 847361 in words is "eight hundred forty-seven thousand, three hundred sixty-one".