2798171 has 2 divisors, whose sum is σ = 2798172. Its totient is φ = 2798170.

The previous prime is 2798167. The next prime is 2798177. The reversal of 2798171 is 1718972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2798171 - 2² = 2798167 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2798177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399085 + 1399086.

It is an arithmetic number, because the mean of its divisors is an integer number (1399086).

2^2798171 is an apocalyptic number.

2798171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798171 is an equidigital number, since it uses as much as digits as its factorization.

2798171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 35.

The square root of 2798171 is about 1672.7734455090. The cubic root of 2798171 is about 140.9152786486.

The spelling of 2798171 in words is "two million, seven hundred ninety-eight thousand, one hundred seventy-one".