2806828 has 12 divisors (see below), whose sum is σ = 5125680. Its totient is φ = 1342352.

The previous prime is 2806801. The next prime is 2806829. The reversal of 2806828 is 8286082.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2806793 and 2806802.

It is not an unprimeable number, because it can be changed into a prime (2806829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15163 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (427140).

2^2806828 is an apocalyptic number.

It is an amenable number.

2806828 is a deficient number, since it is larger than the sum of its proper divisors (2318852).

2806828 is a wasteful number, since it uses less digits than its factorization.

2806828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30536 (or 30534 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 2806828 is about 1675.3590659915. The cubic root of 2806828 is about 141.0604505813.

The spelling of 2806828 in words is "two million, eight hundred six thousand, eight hundred twenty-eight".