9798619 has 2 divisors, whose sum is σ = 9798620. Its totient is φ = 9798618.

The previous prime is 9798617. The next prime is 9798637. The reversal of 9798619 is 9168979.

It is a weak prime.

It is an emirp because it is prime and its reverse (9168979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9798619 - 2¹ = 9798617 is a prime.

It is a super-2 number, since 2×9798619² = 192025868614322, which contains 22 as substring.

Together with 9798617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9798617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899309 + 4899310.

It is an arithmetic number, because the mean of its divisors is an integer number (4899310).

Almost surely, 2^9798619 is an apocalyptic number.

9798619 is a deficient number, since it is larger than the sum of its proper divisors (1).

9798619 is an equidigital number, since it uses as much as digits as its factorization.

9798619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 49.

The square root of 9798619 is about 3130.2745885944. The cubic root of 9798619 is about 213.9874435815.

The spelling of 9798619 in words is "nine million, seven hundred ninety-eight thousand, six hundred nineteen".