98128986 has 8 divisors (see below), whose sum is σ = 196257984. Its totient is φ = 32709660.

The previous prime is 98128957. The next prime is 98128999. The reversal of 98128986 is 68982189.

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

98128986 is an admirable number.

It is a super-3 number, since 3×98128986³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177410 + ... + 8177421.

It is an arithmetic number, because the mean of its divisors is an integer number (24532248).

Almost surely, 2^98128986 is an apocalyptic number.

98128986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98128986 is a wasteful number, since it uses less digits than its factorization.

98128986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16354836.

The product of its digits is 497664, while the sum is 51.

The square root of 98128986 is about 9906.0075711661. The cubic root of 98128986 is about 461.2458132272.

The spelling of 98128986 in words is "ninety-eight million, one hundred twenty-eight thousand, nine hundred eighty-six".