2098169 has 2 divisors, whose sum is σ = 2098170. Its totient is φ = 2098168.

The previous prime is 2098153. The next prime is 2098171. The reversal of 2098169 is 9618902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 262144 = 1355^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098169 - 2⁴ = 2098153 is a prime.

It is a super-2 number, since 2×2098169² = 8804626305122, which contains 22 as substring.

Together with 2098171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2097169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049084 + 1049085.

It is an arithmetic number, because the mean of its divisors is an integer number (1049085).

2^2098169 is an apocalyptic number.

It is an amenable number.

2098169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098169 is an equidigital number, since it uses as much as digits as its factorization.

2098169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2098169 is about 1448.5057818317. The cubic root of 2098169 is about 128.0206875742.

It can be divided in two parts, 20 and 98169, that added together give a palindrome (98189).

The spelling of 2098169 in words is "two million, ninety-eight thousand, one hundred sixty-nine".