98960221 has 2 divisors, whose sum is σ = 98960222. Its totient is φ = 98960220.

The previous prime is 98960203. The next prime is 98960249. The reversal of 98960221 is 12206989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93605625 + 5354596 = 9675^2 + 2314^2 .

It is an emirp because it is prime and its reverse (12206989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98960221 - 2⁹ = 98959709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98960201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49480110 + 49480111.

It is an arithmetic number, because the mean of its divisors is an integer number (49480111).

Almost surely, 2^98960221 is an apocalyptic number.

It is an amenable number.

98960221 is a deficient number, since it is larger than the sum of its proper divisors (1).

98960221 is an equidigital number, since it uses as much as digits as its factorization.

98960221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 98960221 is about 9947.8752002626. The cubic root of 98960221 is about 462.5445329410.

The spelling of 98960221 in words is "ninety-eight million, nine hundred sixty thousand, two hundred twenty-one".