2108928 has 40 divisors (see below), whose sum is σ = 5622408. Its totient is φ = 702464.

The previous prime is 2108927. The next prime is 2108929. The reversal of 2108928 is 8298012.

It is an interprime number because it is at equal distance from previous prime (2108927) and next prime (2108929).

It is a junction number, because it is equal to n+sod(n) for n = 2108895 and 2108904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850 + ... + 2222.

2^2108928 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 2108928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811204).

2108928 is an abundant number, since it is smaller than the sum of its proper divisors (3513480).

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

2108928 is an equidigital number, since it uses as much as digits as its factorization.

2108928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2108928 is about 1452.2148601361. The cubic root of 2108928 is about 128.2391362882.

The spelling of 2108928 in words is "two million, one hundred eight thousand, nine hundred twenty-eight".