2808834 has 16 divisors (see below), whose sum is σ = 6420288. Its totient is φ = 802512.

The previous prime is 2808833. The next prime is 2808847. The reversal of 2808834 is 4388082.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2808795 and 2808804.

It is not an unprimeable number, because it can be changed into a prime (2808833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33397 + ... + 33480.

It is an arithmetic number, because the mean of its divisors is an integer number (401268).

2^2808834 is an apocalyptic number.

2808834 is an abundant number, since it is smaller than the sum of its proper divisors (3611454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2808834 is a wasteful number, since it uses less digits than its factorization.

2808834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66889.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2808834 is about 1675.9576366961. The cubic root of 2808834 is about 141.0940472107.

The spelling of 2808834 in words is "two million, eight hundred eight thousand, eight hundred thirty-four".