2666828 has 6 divisors (see below), whose sum is σ = 4666956. Its totient is φ = 1333412.

The previous prime is 2666819. The next prime is 2666861. The reversal of 2666828 is 8286662.

It is a super-2 number, since 2×2666828² = 14223943163168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666791 and 2666800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333350 + ... + 333357.

It is an arithmetic number, because the mean of its divisors is an integer number (777826).

2^2666828 is an apocalyptic number.

It is an amenable number.

2666828 is a deficient number, since it is larger than the sum of its proper divisors (2000128).

2666828 is a wasteful number, since it uses less digits than its factorization.

2666828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666711 (or 666709 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 2666828 is about 1633.0425591515. The cubic root of 2666828 is about 138.6750513709.

The spelling of 2666828 in words is "two million, six hundred sixty-six thousand, eight hundred twenty-eight".