842168 has 24 divisors (see below), whose sum is σ = 1659000. Its totient is φ = 400752.

The previous prime is 842167. The next prime is 842173. The reversal of 842168 is 861248.

It is a self number, because there is not a number n which added to its sum of digits gives 842168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842161) 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 in 5 ways as a sum of consecutive naturals, for example, 4133 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (69125).

2⁸⁴²¹⁶⁸ is an apocalyptic number.

It is an amenable number.

842168 is a deficient number, since it is larger than the sum of its proper divisors (816832).

842168 is a wasteful number, since it uses less digits than its factorization.

842168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 224 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 842168 is about 917.6971177900. The cubic root of 842168 is about 94.4349841607.

The spelling of 842168 in words is "eight hundred forty-two thousand, one hundred sixty-eight".