98297321 has 2 divisors, whose sum is σ = 98297322. Its totient is φ = 98297320.

The previous prime is 98297293. The next prime is 98297323. The reversal of 98297321 is 12379289.

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., 57592921 + 40704400 = 7589^2 + 6380^2 .

It is a cyclic number.

It is not a de Polignac number, because 98297321 - 2¹⁴ = 98280937 is a prime.

Together with 98297323, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_5669087 and since 98297321 and 5669087 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (98297323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49148660 + 49148661.

It is an arithmetic number, because the mean of its divisors is an integer number (49148661).

Almost surely, 2^98297321 is an apocalyptic number.

It is an amenable number.

98297321 is a deficient number, since it is larger than the sum of its proper divisors (1).

98297321 is an equidigital number, since it uses as much as digits as its factorization.

98297321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 98297321 is about 9914.5005421352. The cubic root of 98297321 is about 461.5094100211.

The spelling of 98297321 in words is "ninety-eight million, two hundred ninety-seven thousand, three hundred twenty-one".