98064391 has 2 divisors, whose sum is σ = 98064392. Its totient is φ = 98064390.

The previous prime is 98064389. The next prime is 98064397. The reversal of 98064391 is 19346089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98064391 - 2¹ = 98064389 is a prime.

Together with 98064389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98064397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49032195 + 49032196.

It is an arithmetic number, because the mean of its divisors is an integer number (49032196).

Almost surely, 2^98064391 is an apocalyptic number.

98064391 is a deficient number, since it is larger than the sum of its proper divisors (1).

98064391 is an equidigital number, since it uses as much as digits as its factorization.

98064391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 98064391 is about 9902.7466391906. The cubic root of 98064391 is about 461.1445834940.

The spelling of 98064391 in words is "ninety-eight million, sixty-four thousand, three hundred ninety-one".