98311685 has 4 divisors (see below), whose sum is σ = 117974028. Its totient is φ = 78649344.

The previous prime is 98311679. The next prime is 98311709. The reversal of 98311685 is 58611389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58611389 = 127 ⋅461507.

It can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 78393316 = 4463^2 + 8854^2 .

It is a cyclic number.

It is not a de Polignac number, because 98311685 - 2⁴ = 98311669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9831164 + ... + 9831173.

It is an arithmetic number, because the mean of its divisors is an integer number (29493507).

Almost surely, 2^98311685 is an apocalyptic number.

It is an amenable number.

98311685 is a deficient number, since it is larger than the sum of its proper divisors (19662343).

98311685 is a wasteful number, since it uses less digits than its factorization.

98311685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662342.

The product of its digits is 51840, while the sum is 41.

The square root of 98311685 is about 9915.2249091990. The cubic root of 98311685 is about 461.5318887561.

The spelling of 98311685 in words is "ninety-eight million, three hundred eleven thousand, six hundred eighty-five".