98668429 has 2 divisors, whose sum is σ = 98668430. Its totient is φ = 98668428.

The previous prime is 98668331. The next prime is 98668433. The reversal of 98668429 is 92486689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98465929 + 202500 = 9923^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 98668429 - 2⁹ = 98667917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98663429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49334214 + 49334215.

It is an arithmetic number, because the mean of its divisors is an integer number (49334215).

Almost surely, 2^98668429 is an apocalyptic number.

It is an amenable number.

98668429 is a deficient number, since it is larger than the sum of its proper divisors (1).

98668429 is an equidigital number, since it uses as much as digits as its factorization.

98668429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 98668429 is about 9933.1983268230. The cubic root of 98668429 is about 462.0894690641.

The spelling of 98668429 in words is "ninety-eight million, six hundred sixty-eight thousand, four hundred twenty-nine".