811606 has 8 divisors (see below), whose sum is σ = 1222920. Its totient is φ = 403968.

The previous prime is 811583. The next prime is 811607. The reversal of 811606 is 606118.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811607) 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, 276 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (152865).

2⁸¹¹⁶⁰⁶ is an apocalyptic number.

811606 is a deficient number, since it is larger than the sum of its proper divisors (411314).

811606 is a wasteful number, since it uses less digits than its factorization.

811606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

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

The square root of 811606 is about 900.8917804043. The cubic root of 811606 is about 93.2785421042.

The spelling of 811606 in words is "eight hundred eleven thousand, six hundred six".