98640611 has 2 divisors, whose sum is σ = 98640612. Its totient is φ = 98640610.

The previous prime is 98640589. The next prime is 98640623. The reversal of 98640611 is 11604689.

It is a strong prime.

It is an emirp because it is prime and its reverse (11604689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98640611 - 2¹⁰ = 98639587 is a prime.

It is not a weakly prime, because it can be changed into another prime (98640671) 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, 49320305 + 49320306.

It is an arithmetic number, because the mean of its divisors is an integer number (49320306).

Almost surely, 2^98640611 is an apocalyptic number.

98640611 is a deficient number, since it is larger than the sum of its proper divisors (1).

98640611 is an equidigital number, since it uses as much as digits as its factorization.

98640611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 98640611 is about 9931.7979741837. The cubic root of 98640611 is about 462.0460387146.

The spelling of 98640611 in words is "ninety-eight million, six hundred forty thousand, six hundred eleven".