98586641 has 2 divisors, whose sum is σ = 98586642. Its totient is φ = 98586640.

The previous prime is 98586623. The next prime is 98586661. The reversal of 98586641 is 14668589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98585041 + 1600 = 9929^2 + 40^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98586641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98586661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49293320 + 49293321.

It is an arithmetic number, because the mean of its divisors is an integer number (49293321).

Almost surely, 2^98586641 is an apocalyptic number.

It is an amenable number.

98586641 is a deficient number, since it is larger than the sum of its proper divisors (1).

98586641 is an equidigital number, since it uses as much as digits as its factorization.

98586641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 98586641 is about 9929.0805717347. The cubic root of 98586641 is about 461.9617557343.

The spelling of 98586641 in words is "ninety-eight million, five hundred eighty-six thousand, six hundred forty-one".