8219109 has 8 divisors (see below), whose sum is σ = 11603520. Its totient is φ = 5157056.

The previous prime is 8219087. The next prime is 8219131. The reversal of 8219109 is 9019128.

It is an interprime number because it is at equal distance from previous prime (8219087) and next prime (8219131).

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

It is a cyclic number.

It is not a de Polignac number, because 8219109 - 2⁸ = 8218853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219179) 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, 80529 + ... + 80630.

It is an arithmetic number, because the mean of its divisors is an integer number (1450440).

Almost surely, 2^8219109 is an apocalyptic number.

It is an amenable number.

8219109 is a deficient number, since it is larger than the sum of its proper divisors (3384411).

8219109 is a wasteful number, since it uses less digits than its factorization.

8219109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161179.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 8219109 is about 2866.8988471866. The cubic root of 8219109 is about 201.8094877315.

It can be divided in two parts, 82 and 19109, that added together give a palindrome (19191).

The spelling of 8219109 in words is "eight million, two hundred nineteen thousand, one hundred nine".