98205491 has 2 divisors, whose sum is σ = 98205492. Its totient is φ = 98205490.

The previous prime is 98205479. The next prime is 98205533. The reversal of 98205491 is 19450289.

It is a weak prime.

It is an emirp because it is prime and its reverse (19450289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98205491 - 2¹⁰ = 98204467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98205461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49102745 + 49102746.

It is an arithmetic number, because the mean of its divisors is an integer number (49102746).

Almost surely, 2^98205491 is an apocalyptic number.

98205491 is a deficient number, since it is larger than the sum of its proper divisors (1).

98205491 is an equidigital number, since it uses as much as digits as its factorization.

98205491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 98205491 is about 9909.8683644133. The cubic root of 98205491 is about 461.3656502085.

The spelling of 98205491 in words is "ninety-eight million, two hundred five thousand, four hundred ninety-one".