98897219 has 2 divisors, whose sum is σ = 98897220. Its totient is φ = 98897218.

The previous prime is 98897209. The next prime is 98897231. The reversal of 98897219 is 91279889.

It is a weak prime.

It is an emirp because it is prime and its reverse (91279889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98897219 - 2⁴ = 98897203 is a prime.

It is a super-2 number, since 2×98897219² = 19561319851867922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98897209) 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, 49448609 + 49448610.

It is an arithmetic number, because the mean of its divisors is an integer number (49448610).

Almost surely, 2^98897219 is an apocalyptic number.

98897219 is a deficient number, since it is larger than the sum of its proper divisors (1).

98897219 is an equidigital number, since it uses as much as digits as its factorization.

98897219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 53.

The square root of 98897219 is about 9944.7080902357. The cubic root of 98897219 is about 462.4463540407.

The spelling of 98897219 in words is "ninety-eight million, eight hundred ninety-seven thousand, two hundred nineteen".