2180828 has 24 divisors (see below), whose sum is σ = 4353552. Its totient is φ = 946944.

The previous prime is 2180813. The next prime is 2180833. The reversal of 2180828 is 8280812.

2180828 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 a self number, because there is not a number n which added to its sum of digits gives 2180828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (181398).

2^2180828 is an apocalyptic number.

It is an amenable number.

2180828 is a deficient number, since it is larger than the sum of its proper divisors (2172724).

2180828 is a wasteful number, since it uses less digits than its factorization.

2180828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2180828 is about 1476.7626755847. The cubic root of 2180828 is about 129.6802397736.

The spelling of 2180828 in words is "two million, one hundred eighty thousand, eight hundred twenty-eight".