8196809 has 8 divisors (see below), whose sum is σ = 9003840. Its totient is φ = 7427376.

The previous prime is 8196787. The next prime is 8196817. The reversal of 8196809 is 9086918.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8196809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8196899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8942 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (1125480).

Almost surely, 2^8196809 is an apocalyptic number.

It is an amenable number.

8196809 is a deficient number, since it is larger than the sum of its proper divisors (807031).

8196809 is a wasteful number, since it uses less digits than its factorization.

8196809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18799.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8196809 is about 2863.0069856708. The cubic root of 8196809 is about 201.6268066232.

The spelling of 8196809 in words is "eight million, one hundred ninety-six thousand, eight hundred nine".