8199117 has 16 divisors (see below), whose sum is σ = 12862080. Its totient is φ = 5144256.

The previous prime is 8199101. The next prime is 8199133. The reversal of 8199117 is 7119918.

It is an interprime number because it is at equal distance from previous prime (8199101) and next prime (8199133).

It is not a de Polignac number, because 8199117 - 2⁴ = 8199101 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8473 + ... + 9390.

It is an arithmetic number, because the mean of its divisors is an integer number (803880).

Almost surely, 2^8199117 is an apocalyptic number.

It is an amenable number.

8199117 is a deficient number, since it is larger than the sum of its proper divisors (4662963).

8199117 is a wasteful number, since it uses less digits than its factorization.

8199117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17889 (or 17883 counting only the distinct ones).

The product of its digits is 4536, while the sum is 36.

The square root of 8199117 is about 2863.4100300167. The cubic root of 8199117 is about 201.6457290681.

It can be divided in two parts, 819911 and 7, that added together give a palindrome (819918).

The spelling of 8199117 in words is "eight million, one hundred ninety-nine thousand, one hundred seventeen".