2798718 has 32 divisors (see below), whose sum is σ = 6150816. Its totient is φ = 843648.

The previous prime is 2798713. The next prime is 2798729. The reversal of 2798718 is 8178972.

It is a self number, because there is not a number n which added to its sum of digits gives 2798718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (192213).

2^2798718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075408).

2798718 is an abundant number, since it is smaller than the sum of its proper divisors (3352098).

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

2798718 is a wasteful number, since it uses less digits than its factorization.

2798718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its digits is 56448, while the sum is 42.

The square root of 2798718 is about 1672.9369384409. The cubic root of 2798718 is about 140.9244603171.

The spelling of 2798718 in words is "two million, seven hundred ninety-eight thousand, seven hundred eighteen".