2798243 has 6 divisors (see below), whose sum is σ = 3255156. Its totient is φ = 2398452.

The previous prime is 2798233. The next prime is 2798261. The reversal of 2798243 is 3428972.

2798243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2798243 - 2¹² = 2794147 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 7⁶ + 9 + 8⁷ + 2¹⁹ + 4³ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28505 + ... + 28602.

It is an arithmetic number, because the mean of its divisors is an integer number (542526).

2^2798243 is an apocalyptic number.

2798243 is a deficient number, since it is larger than the sum of its proper divisors (456913).

2798243 is an equidigital number, since it uses as much as digits as its factorization.

2798243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57121 (or 57114 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2798243 is about 1672.7949665156. The cubic root of 2798243 is about 140.9164872730.

The spelling of 2798243 in words is "two million, seven hundred ninety-eight thousand, two hundred forty-three".