2169108 has 36 divisors (see below), whose sum is σ = 5552820. Its totient is φ = 713856.

The previous prime is 2169073. The next prime is 2169109. The reversal of 2169108 is 8019612.

2169108 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 685584 = 1218^2 + 828^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2866 + ... + 3542.

It is an arithmetic number, because the mean of its divisors is an integer number (154245).

2^2169108 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 2169108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2776410).

2169108 is an abundant number, since it is smaller than the sum of its proper divisors (3383712).

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

2169108 is a wasteful number, since it uses less digits than its factorization.

2169108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2169108 is about 1472.7891906176. The cubic root of 2169108 is about 129.4475172810.

The spelling of 2169108 in words is "two million, one hundred sixty-nine thousand, one hundred eight".