2118828 has 24 divisors (see below), whose sum is σ = 4968432. Its totient is φ = 702784.

The previous prime is 2118811. The next prime is 2118833. The reversal of 2118828 is 8288112.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2118795 and 2118804.

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, 3526 + ... + 4082.

It is an arithmetic number, because the mean of its divisors is an integer number (207018).

2^2118828 is an apocalyptic number.

It is an amenable number.

2118828 is an abundant number, since it is smaller than the sum of its proper divisors (2849604).

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

2118828 is a wasteful number, since it uses less digits than its factorization.

2118828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 2118828 is about 1455.6194557645. The cubic root of 2118828 is about 128.4394886355.

The spelling of 2118828 in words is "two million, one hundred eighteen thousand, eight hundred twenty-eight".