2806798 has 4 divisors (see below), whose sum is σ = 4210200. Its totient is φ = 1403398.

The previous prime is 2806789. The next prime is 2806801. The reversal of 2806798 is 8976082.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2806798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701698 + ... + 701701.

It is an arithmetic number, because the mean of its divisors is an integer number (1052550).

2^2806798 is an apocalyptic number.

2806798 is a deficient number, since it is larger than the sum of its proper divisors (1403402).

2806798 is a wasteful number, since it uses less digits than its factorization.

2806798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403401.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2806798 is about 1675.3501126630. The cubic root of 2806798 is about 141.0599480177.

The spelling of 2806798 in words is "two million, eight hundred six thousand, seven hundred ninety-eight".