2808798 has 8 divisors (see below), whose sum is σ = 5617608. Its totient is φ = 936264.

The previous prime is 2808797. The next prime is 2808809. The reversal of 2808798 is 8978082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2808798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234061 + ... + 234072.

It is an arithmetic number, because the mean of its divisors is an integer number (702201).

2^2808798 is an apocalyptic number.

2808798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2808798 is a wasteful number, since it uses less digits than its factorization.

2808798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468138.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 2808798 is about 1675.9468965334. The cubic root of 2808798 is about 141.0934444211.

The spelling of 2808798 in words is "two million, eight hundred eight thousand, seven hundred ninety-eight".