8109108 has 54 divisors (see below), whose sum is σ = 23849826. Its totient is φ = 2316384.

The previous prime is 8109107. The next prime is 8109109. The reversal of 8109108 is 8019018.

It is an interprime number because it is at equal distance from previous prime (8109107) and next prime (8109109).

It can be written as a sum of positive squares in only one way, i.e., 5143824 + 2965284 = 2268^2 + 1722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 535 + ... + 4062.

Almost surely, 2^8109108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8109108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11924913).

8109108 is an abundant number, since it is smaller than the sum of its proper divisors (15740718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8109108 is a wasteful number, since it uses less digits than its factorization.

8109108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 8109108 is about 2847.6495570909. The cubic root of 8109108 is about 200.9051308446.

The spelling of 8109108 in words is "eight million, one hundred nine thousand, one hundred eight".