2098171 has 2 divisors, whose sum is σ = 2098172. Its totient is φ = 2098170.

The previous prime is 2098169. The next prime is 2098183. The reversal of 2098171 is 1718902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098171 - 2¹ = 2098169 is a prime.

Together with 2098169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2098471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049085 + 1049086.

It is an arithmetic number, because the mean of its divisors is an integer number (1049086).

2^2098171 is an apocalyptic number.

2098171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098171 is an equidigital number, since it uses as much as digits as its factorization.

2098171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2098171 is about 1448.5064721982. The cubic root of 2098171 is about 128.0207282512.

The spelling of 2098171 in words is "two million, ninety-eight thousand, one hundred seventy-one".