2684816 has 10 divisors (see below), whose sum is σ = 5201862. Its totient is φ = 1342400.

The previous prime is 2684809. The next prime is 2684819. The reversal of 2684816 is 6184862.

2684816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 1254400 = 1196^2 + 1120^2 .

It is not an unprimeable number, because it can be changed into a prime (2684819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83885 + ... + 83916.

2^2684816 is an apocalyptic number.

It is an amenable number.

2684816 is a deficient number, since it is larger than the sum of its proper divisors (2517046).

2684816 is a wasteful number, since it uses less digits than its factorization.

2684816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167809 (or 167803 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 2684816 is about 1638.5408142613. The cubic root of 2684816 is about 138.9861449538.

The spelling of 2684816 in words is "two million, six hundred eighty-four thousand, eight hundred sixteen".