806109 has 8 divisors (see below), whose sum is σ = 1081920. Its totient is φ = 533856.

The previous prime is 806107. The next prime is 806111. The reversal of 806109 is 901608.

It is an interprime number because it is at equal distance from previous prime (806107) and next prime (806111).

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

It is not a de Polignac number, because 806109 - 2¹ = 806107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 304 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (135240).

2⁸⁰⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

806109 is a deficient number, since it is larger than the sum of its proper divisors (275811).

806109 is a wasteful number, since it uses less digits than its factorization.

806109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 806109 is about 897.8357310778. The cubic root of 806109 is about 93.0674732919.

The spelling of 806109 in words is "eight hundred six thousand, one hundred nine".