2798143 has 2 divisors, whose sum is σ = 2798144. Its totient is φ = 2798142.

The previous prime is 2798141. The next prime is 2798161. The reversal of 2798143 is 3418972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2798143 - 2¹ = 2798141 is a prime.

Together with 2798141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2798099 and 2798108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798141) 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 as a sum of consecutive naturals, namely, 1399071 + 1399072.

It is an arithmetic number, because the mean of its divisors is an integer number (1399072).

2^2798143 is an apocalyptic number.

2798143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798143 is an equidigital number, since it uses as much as digits as its factorization.

2798143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2798143 is about 1672.7650761539. The cubic root of 2798143 is about 140.9148086224.

The spelling of 2798143 in words is "two million, seven hundred ninety-eight thousand, one hundred forty-three".