2108804 has 12 divisors (see below), whose sum is σ = 3702300. Its totient is φ = 1051008.

The previous prime is 2108773. The next prime is 2108807. The reversal of 2108804 is 4088012.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 280900 = 1352^2 + 530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2108804.

It is not an unprimeable number, because it can be changed into a prime (2108807) 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 3 ways as a sum of consecutive naturals, for example, 992 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (308525).

2^2108804 is an apocalyptic number.

It is an amenable number.

2108804 is a deficient number, since it is larger than the sum of its proper divisors (1593496).

2108804 is a wasteful number, since it uses less digits than its factorization.

2108804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2108804 is about 1452.1721661015. The cubic root of 2108804 is about 128.2366228525.

The spelling of 2108804 in words is "two million, one hundred eight thousand, eight hundred four".