98966689 has 2 divisors, whose sum is σ = 98966690. Its totient is φ = 98966688.

The previous prime is 98966653. The next prime is 98966711. The reversal of 98966689 is 98666989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 35605089 = 7960^2 + 5967^2 .

It is a cyclic number.

It is not a de Polignac number, because 98966689 - 2⁷ = 98966561 is a prime.

It is not a weakly prime, because it can be changed into another prime (98966629) 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, 49483344 + 49483345.

It is an arithmetic number, because the mean of its divisors is an integer number (49483345).

Almost surely, 2^98966689 is an apocalyptic number.

It is an amenable number.

98966689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98966689 is an equidigital number, since it uses as much as digits as its factorization.

98966689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 61.

The square root of 98966689 is about 9948.2002894996. The cubic root of 98966689 is about 462.5546099626.

It can be divided in two parts, 9 and 8966689, that added together give a palindrome (8966698).

The spelling of 98966689 in words is "ninety-eight million, nine hundred sixty-six thousand, six hundred eighty-nine".