2102828 has 48 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 808704.

The previous prime is 2102809. The next prime is 2102831. The reversal of 2102828 is 8282012.

2102828 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19238 + ... + 19346.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^2102828 is an apocalyptic number.

2102828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328480).

2102828 is an abundant number, since it is smaller than the sum of its proper divisors (2554132).

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

2102828 is a wasteful number, since it uses less digits than its factorization.

2102828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

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

The square root of 2102828 is about 1450.1130990375. The cubic root of 2102828 is about 128.1153744901.

The spelling of 2102828 in words is "two million, one hundred two thousand, eight hundred twenty-eight".