98456641 has 2 divisors, whose sum is σ = 98456642. Its totient is φ = 98456640.

The previous prime is 98456599. The next prime is 98456723. The reversal of 98456641 is 14665489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93528241 + 4928400 = 9671^2 + 2220^2 .

It is an emirp because it is prime and its reverse (14665489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98456641 - 2⁷ = 98456513 is a prime.

It is not a weakly prime, because it can be changed into another prime (98454641) 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, 49228320 + 49228321.

It is an arithmetic number, because the mean of its divisors is an integer number (49228321).

Almost surely, 2^98456641 is an apocalyptic number.

It is an amenable number.

98456641 is a deficient number, since it is larger than the sum of its proper divisors (1).

98456641 is an equidigital number, since it uses as much as digits as its factorization.

98456641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 98456641 is about 9922.5319853352. The cubic root of 98456641 is about 461.7586131181.

The spelling of 98456641 in words is "ninety-eight million, four hundred fifty-six thousand, six hundred forty-one".