98808649 has 2 divisors, whose sum is σ = 98808650. Its totient is φ = 98808648.

The previous prime is 98808643. The next prime is 98808653. The reversal of 98808649 is 94680889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98644624 + 164025 = 9932^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 98808649 - 2⁹ = 98808137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98808596 and 98808605.

It is not a weakly prime, because it can be changed into another prime (98808643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49404324 + 49404325.

It is an arithmetic number, because the mean of its divisors is an integer number (49404325).

Almost surely, 2^98808649 is an apocalyptic number.

It is an amenable number.

98808649 is a deficient number, since it is larger than the sum of its proper divisors (1).

98808649 is an equidigital number, since it uses as much as digits as its factorization.

98808649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 98808649 is about 9940.2539705985. The cubic root of 98808649 is about 462.3082608185.

The spelling of 98808649 in words is "ninety-eight million, eight hundred eight thousand, six hundred forty-nine".