2798141 has 2 divisors, whose sum is σ = 2798142. Its totient is φ = 2798140.

The previous prime is 2798137. The next prime is 2798143. The reversal of 2798141 is 1418972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 395641 = 1550^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798141 - 2² = 2798137 is a prime.

Together with 2798143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2798098 and 2798107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399070 + 1399071.

It is an arithmetic number, because the mean of its divisors is an integer number (1399071).

2^2798141 is an apocalyptic number.

It is an amenable number.

2798141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798141 is an equidigital number, since it uses as much as digits as its factorization.

2798141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 2798141 is about 1672.7644783412. The cubic root of 2798141 is about 140.9147750490.

The spelling of 2798141 in words is "two million, seven hundred ninety-eight thousand, one hundred forty-one".