98698725 has 18 divisors (see below), whose sum is σ = 176780786. Its totient is φ = 52639200.

The previous prime is 98698723. The next prime is 98698739. The reversal of 98698725 is 52789689.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 272484 + 98426241 = 522^2 + 9921^2 .

It is not a de Polignac number, because 98698725 - 2¹ = 98698723 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98698723) 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 17 ways as a sum of consecutive naturals, for example, 219106 + ... + 219555.

Almost surely, 2^98698725 is an apocalyptic number.

It is an amenable number.

98698725 is a deficient number, since it is larger than the sum of its proper divisors (78082061).

98698725 is a wasteful number, since it uses less digits than its factorization.

98698725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438677 (or 438669 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 98698725 is about 9934.7231969492. The cubic root of 98698725 is about 462.1367588612.

The spelling of 98698725 in words is "ninety-eight million, six hundred ninety-eight thousand, seven hundred twenty-five".