98709497 has 4 divisors (see below), whose sum is σ = 104515956. Its totient is φ = 92903040.

The previous prime is 98709469. The next prime is 98709521. The reversal of 98709497 is 79490789.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89321401 + 9388096 = 9451^2 + 3064^2 .

It is a cyclic number.

It is not a de Polignac number, because 98709497 - 2⁶ = 98709433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98709437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903204 + ... + 2903237.

It is an arithmetic number, because the mean of its divisors is an integer number (26128989).

Almost surely, 2^98709497 is an apocalyptic number.

It is an amenable number.

98709497 is a deficient number, since it is larger than the sum of its proper divisors (5806459).

98709497 is a wasteful number, since it uses less digits than its factorization.

98709497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806458.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 98709497 is about 9935.2653210672. The cubic root of 98709497 is about 462.1535708179.

The spelling of 98709497 in words is "ninety-eight million, seven hundred nine thousand, four hundred ninety-seven".