2808234 has 48 divisors (see below), whose sum is σ = 7154784. Its totient is φ = 784800.

The previous prime is 2808229. The next prime is 2808241. The reversal of 2808234 is 4328082.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2808198 and 2808207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2029 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (149058).

2^2808234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2808234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3577392).

2808234 is an abundant number, since it is smaller than the sum of its proper divisors (4346550).

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

2808234 is a wasteful number, since it uses less digits than its factorization.

2808234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2808234 is about 1675.7786249979. The cubic root of 2808234 is about 141.0840000455.

The spelling of 2808234 in words is "two million, eight hundred eight thousand, two hundred thirty-four".