98686857 has 8 divisors (see below), whose sum is σ = 135827200. Its totient is φ = 63668880.

The previous prime is 98686843. The next prime is 98686867. The reversal of 98686857 is 75868689.

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

It is not a de Polignac number, because 98686857 - 2¹² = 98682761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98686797 and 98686806.

It is not an unprimeable number, because it can be changed into a prime (98686867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530482 + ... + 530667.

It is an arithmetic number, because the mean of its divisors is an integer number (16978400).

Almost surely, 2^98686857 is an apocalyptic number.

It is an amenable number.

98686857 is a deficient number, since it is larger than the sum of its proper divisors (37140343).

98686857 is a wasteful number, since it uses less digits than its factorization.

98686857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061183.

The product of its digits is 5806080, while the sum is 57.

The square root of 98686857 is about 9934.1258800158. The cubic root of 98686857 is about 462.1182349512.

The spelling of 98686857 in words is "ninety-eight million, six hundred eighty-six thousand, eight hundred fifty-seven".