2866628 has 12 divisors (see below), whose sum is σ = 5234880. Its totient is φ = 1370952.

The previous prime is 2866627. The next prime is 2866657. The reversal of 2866628 is 8266682.

It is a junction number, because it is equal to n+sod(n) for n = 2866591 and 2866600.

It is not an unprimeable number, because it can be changed into a prime (2866627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15488 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (436240).

2^2866628 is an apocalyptic number.

It is an amenable number.

2866628 is a deficient number, since it is larger than the sum of its proper divisors (2368252).

2866628 is a wasteful number, since it uses less digits than its factorization.

2866628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31186 (or 31184 counting only the distinct ones).

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

The square root of 2866628 is about 1693.1119277827. Note that the first 3 decimals coincide. The cubic root of 2866628 is about 142.0551924576.

The spelling of 2866628 in words is "two million, eight hundred sixty-six thousand, six hundred twenty-eight".