8498389 has 2 divisors, whose sum is σ = 8498390. Its totient is φ = 8498388.

The previous prime is 8498359. The next prime is 8498401. The reversal of 8498389 is 9838948.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4695889 + 3802500 = 2167^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 8498389 - 2⁹ = 8497877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8498359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249194 + 4249195.

It is an arithmetic number, because the mean of its divisors is an integer number (4249195).

Almost surely, 2^8498389 is an apocalyptic number.

It is an amenable number.

8498389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8498389 is an equidigital number, since it uses as much as digits as its factorization.

8498389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The square root of 8498389 is about 2915.1996501097. The cubic root of 8498389 is about 204.0698610531.

The spelling of 8498389 in words is "eight million, four hundred ninety-eight thousand, three hundred eighty-nine".