2106912 has 48 divisors (see below), whose sum is σ = 5860512. Its totient is φ = 660480.

The previous prime is 2106911. The next prime is 2106917. The reversal of 2106912 is 2196012.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2106911) 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 7 ways as a sum of consecutive naturals, for example, 987 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (122094).

2^2106912 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 2106912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930256).

2106912 is an abundant number, since it is smaller than the sum of its proper divisors (3753600).

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

2106912 is a wasteful number, since it uses less digits than its factorization.

2106912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2106912 is about 1451.5205820105. The cubic root of 2106912 is about 128.1982604622.

The spelling of 2106912 in words is "two million, one hundred six thousand, nine hundred twelve".