98488309 has 2 divisors, whose sum is σ = 98488310. Its totient is φ = 98488308.

The previous prime is 98488303. The next prime is 98488331. The reversal of 98488309 is 90388489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 47651409 = 7130^2 + 6903^2 .

It is a cyclic number.

It is not a de Polignac number, because 98488309 - 2³ = 98488301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98488301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49244154 + 49244155.

It is an arithmetic number, because the mean of its divisors is an integer number (49244155).

Almost surely, 2^98488309 is an apocalyptic number.

It is an amenable number.

98488309 is a deficient number, since it is larger than the sum of its proper divisors (1).

98488309 is an equidigital number, since it uses as much as digits as its factorization.

98488309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 98488309 is about 9924.1276190908. The cubic root of 98488309 is about 461.8081151259.

The spelling of 98488309 in words is "ninety-eight million, four hundred eighty-eight thousand, three hundred nine".