98686720 has 144 divisors (see below), whose sum is σ = 265491072. Its totient is φ = 34836480.

The previous prime is 98686711. The next prime is 98686759. The reversal of 98686720 is 2768689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605359 + ... + 605521.

It is an arithmetic number, because the mean of its divisors is an integer number (1843688).

Almost surely, 2^98686720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98686720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132745536).

98686720 is an abundant number, since it is smaller than the sum of its proper divisors (166804352).

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

98686720 is a wasteful number, since it uses less digits than its factorization.

98686720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 98686720 is about 9934.1189845904. The cubic root of 98686720 is about 462.1180211090.

The spelling of 98686720 in words is "ninety-eight million, six hundred eighty-six thousand, seven hundred twenty".