98187280 has 40 divisors (see below), whose sum is σ = 230657112. Its totient is φ = 38866944.

The previous prime is 98187241. The next prime is 98187281. The reversal of 98187280 is 8278189.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 97772544 = 644^2 + 9888^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (98187281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 14086.

Almost surely, 2^98187280 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 98187280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115328556).

98187280 is an abundant number, since it is smaller than the sum of its proper divisors (132469832).

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

98187280 is a wasteful number, since it uses less digits than its factorization.

98187280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 98187280 is about 9908.9494902336. The cubic root of 98187280 is about 461.3371302512.

The spelling of 98187280 in words is "ninety-eight million, one hundred eighty-seven thousand, two hundred eighty".