98865280 has 64 divisors (see below), whose sum is σ = 237945600. Its totient is φ = 39279616.

The previous prime is 98865257. The next prime is 98865281. The reversal of 98865280 is 8256889.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 98865280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98865281) 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, 114129 + ... + 114991.

It is an arithmetic number, because the mean of its divisors is an integer number (3717900).

Almost surely, 2^98865280 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 98865280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118972800).

98865280 is an abundant number, since it is smaller than the sum of its proper divisors (139080320).

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

98865280 is a wasteful number, since it uses less digits than its factorization.

98865280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 98865280 is about 9943.1021316287. The cubic root of 98865280 is about 462.3965661076.

The spelling of 98865280 in words is "ninety-eight million, eight hundred sixty-five thousand, two hundred eighty".