98521717 has 4 divisors (see below), whose sum is σ = 112596256. Its totient is φ = 84447180.

The previous prime is 98521711. The next prime is 98521727. The reversal of 98521717 is 71712589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98521717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98521717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98521711) 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, 7037259 + ... + 7037272.

It is an arithmetic number, because the mean of its divisors is an integer number (28149064).

Almost surely, 2^98521717 is an apocalyptic number.

It is an amenable number.

98521717 is a deficient number, since it is larger than the sum of its proper divisors (14074539).

98521717 is a wasteful number, since it uses less digits than its factorization.

98521717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14074538.

The product of its digits is 35280, while the sum is 40.

The square root of 98521717 is about 9925.8106469950. The cubic root of 98521717 is about 461.8603255238.

The spelling of 98521717 in words is "ninety-eight million, five hundred twenty-one thousand, seven hundred seventeen".