841668 has 12 divisors (see below), whose sum is σ = 1963920. Its totient is φ = 280552.

The previous prime is 841663. The next prime is 841691. The reversal of 841668 is 866148.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (841661) 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 3 ways as a sum of consecutive naturals, for example, 35058 + ... + 35081.

It is an arithmetic number, because the mean of its divisors is an integer number (163660).

2⁸⁴¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

841668 is an abundant number, since it is smaller than the sum of its proper divisors (1122252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

841668 is a wasteful number, since it uses less digits than its factorization.

841668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70146 (or 70144 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 841668 is about 917.4246563070. The cubic root of 841668 is about 94.4162915960.

The spelling of 841668 in words is "eight hundred forty-one thousand, six hundred sixty-eight".