98709089 has 8 divisors (see below), whose sum is σ = 104616360. Its totient is φ = 92813056.

The previous prime is 98709059. The next prime is 98709109. The reversal of 98709089 is 98090789.

It can be written as a sum of positive squares in 4 ways, for example, as 88360000 + 10349089 = 9400^2 + 3217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98709089 - 2⁸ = 98708833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98709029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21227 + ... + 25455.

It is an arithmetic number, because the mean of its divisors is an integer number (13077045).

Almost surely, 2^98709089 is an apocalyptic number.

It is an amenable number.

98709089 is a deficient number, since it is larger than the sum of its proper divisors (5907271).

98709089 is a wasteful number, since it uses less digits than its factorization.

98709089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 98709089 is about 9935.2447881268. The cubic root of 98709089 is about 462.1529340709.

The spelling of 98709089 in words is "ninety-eight million, seven hundred nine thousand, eighty-nine".