811066 has 8 divisors (see below), whose sum is σ = 1245024. Its totient is φ = 396060.

The previous prime is 811039. The next prime is 811067. The reversal of 811066 is 660118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (811067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4630 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (155628).

2⁸¹¹⁰⁶⁶ is an apocalyptic number.

811066 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

811066 is a deficient number, since it is larger than the sum of its proper divisors (433958).

811066 is a wasteful number, since it uses less digits than its factorization.

811066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 811066 is about 900.5920275019. The cubic root of 811066 is about 93.2578499670.

The spelling of 811066 in words is "eight hundred eleven thousand, sixty-six".