1066806 has 48 divisors (see below), whose sum is σ = 2568384. Its totient is φ = 317952.

The previous prime is 1066789. The next prime is 1066811. The reversal of 1066806 is 6086601.

It is a super-2 number, since 2×1066806² = 2276150083272, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10950 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2^1066806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284192).

1066806 is an abundant number, since it is smaller than the sum of its proper divisors (1501578).

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

1066806 is a wasteful number, since it uses less digits than its factorization.

1066806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1066806 is about 1032.8630112459. The cubic root of 1066806 is about 102.1790396441.

The spelling of 1066806 in words is "one million, sixty-six thousand, eight hundred six".