2398169 has 2 divisors, whose sum is σ = 2398170. Its totient is φ = 2398168.

The previous prime is 2398159. The next prime is 2398171. The reversal of 2398169 is 9618932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 26569 = 1540^2 + 163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2398169 is a prime.

It is a super-2 number, since 2×2398169² = 11502429105122, which contains 22 as substring.

Together with 2398171, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2398159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199084 + 1199085.

It is an arithmetic number, because the mean of its divisors is an integer number (1199085).

2^2398169 is an apocalyptic number.

It is an amenable number.

2398169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398169 is an equidigital number, since it uses as much as digits as its factorization.

2398169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 2398169 is about 1548.6022730191. The cubic root of 2398169 is about 133.8525332505.

The spelling of 2398169 in words is "two million, three hundred ninety-eight thousand, one hundred sixty-nine".