2170828 has 24 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 975120.

The previous prime is 2170823. The next prime is 2170829. The reversal of 2170828 is 8280712.

2170828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2170796 and 2170805.

It is not an unprimeable number, because it can be changed into a prime (2170823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4293 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^2170828 is an apocalyptic number.

It is an amenable number.

2170828 is a deficient number, since it is larger than the sum of its proper divisors (2022452).

2170828 is a wasteful number, since it uses less digits than its factorization.

2170828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2170828 is about 1473.3730009743. The cubic root of 2170828 is about 129.4817234932.

It can be divided in two parts, 21708 and 28, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2170828 in words is "two million, one hundred seventy thousand, eight hundred twenty-eight".