98663749 has 2 divisors, whose sum is σ = 98663750. Its totient is φ = 98663748.

The previous prime is 98663743. The next prime is 98663797. The reversal of 98663749 is 94736689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98366724 + 297025 = 9918^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 98663749 - 2¹⁵ = 98630981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98663696 and 98663705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98663743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49331874 + 49331875.

It is an arithmetic number, because the mean of its divisors is an integer number (49331875).

Almost surely, 2^98663749 is an apocalyptic number.

It is an amenable number.

98663749 is a deficient number, since it is larger than the sum of its proper divisors (1).

98663749 is an equidigital number, since it uses as much as digits as its factorization.

98663749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 98663749 is about 9932.9627503580. The cubic root of 98663749 is about 462.0821630699.

The spelling of 98663749 in words is "ninety-eight million, six hundred sixty-three thousand, seven hundred forty-nine".