163847 has 2 divisors, whose sum is σ = 163848. Its totient is φ = 163846.

The previous prime is 163841. The next prime is 163853. The reversal of 163847 is 748361.

It is a balanced prime because it is at equal distance from previous prime (163841) and next prime (163853).

It is an emirp because it is prime and its reverse (748361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163847 - 2¹⁰ = 162823 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163847.

It is not a weakly prime, because it can be changed into another prime (163841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81923 + 81924.

It is an arithmetic number, because the mean of its divisors is an integer number (81924).

163847 is a Friedman number, since it can be written as 7+(8*4)^3*(6-1), using all its digits and the basic arithmetic operations.

2¹⁶³⁸⁴⁷ is an apocalyptic number.

163847 is a deficient number, since it is larger than the sum of its proper divisors (1).

163847 is an equidigital number, since it uses as much as digits as its factorization.

163847 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 163847 is about 404.7801872622. The cubic root of 163847 is about 54.7200095685.

The spelling of 163847 in words is "one hundred sixty-three thousand, eight hundred forty-seven".