834666 has 48 divisors (see below), whose sum is σ = 2068416. Its totient is φ = 223104.

The previous prime is 834653. The next prime is 834671. The reversal of 834666 is 666438.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4915 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2⁸³⁴⁶⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034208).

834666 is an abundant number, since it is smaller than the sum of its proper divisors (1233750).

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

834666 is a wasteful number, since it uses less digits than its factorization.

834666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 196 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 834666 is about 913.6005691767. The cubic root of 834666 is about 94.1537396653.

The spelling of 834666 in words is "eight hundred thirty-four thousand, six hundred sixty-six".