841866 has 16 divisors (see below), whose sum is σ = 1694784. Its totient is φ = 278784.

The previous prime is 841859. The next prime is 841873. The reversal of 841866 is 668148.

It is an interprime number because it is at equal distance from previous prime (841859) and next prime (841873).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (105924).

2⁸⁴¹⁸⁶⁶ is an apocalyptic number.

841866 is an abundant number, since it is smaller than the sum of its proper divisors (852918).

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

841866 is a wasteful number, since it uses less digits than its factorization.

841866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

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

The square root of 841866 is about 917.5325607301. The cubic root of 841866 is about 94.4236947367.

The spelling of 841866 in words is "eight hundred forty-one thousand, eight hundred sixty-six".