98409497 has 2 divisors, whose sum is σ = 98409498. Its totient is φ = 98409496.

The previous prime is 98409491. The next prime is 98409511. The reversal of 98409497 is 79490489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56987401 + 41422096 = 7549^2 + 6436^2 .

It is a cyclic number.

It is not a de Polignac number, because 98409497 - 2¹⁰ = 98408473 is a prime.

It is not a weakly prime, because it can be changed into another prime (98409491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49204748 + 49204749.

It is an arithmetic number, because the mean of its divisors is an integer number (49204749).

Almost surely, 2^98409497 is an apocalyptic number.

It is an amenable number.

98409497 is a deficient number, since it is larger than the sum of its proper divisors (1).

98409497 is an equidigital number, since it uses as much as digits as its factorization.

98409497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 98409497 is about 9920.1560975622. The cubic root of 98409497 is about 461.6849000490.

The spelling of 98409497 in words is "ninety-eight million, four hundred nine thousand, four hundred ninety-seven".