98650000 has 60 divisors (see below), whose sum is σ = 239023764. Its totient is φ = 39440000.

The previous prime is 98649989. The next prime is 98650007. The reversal of 98650000 is 5689.

It can be written as a sum of positive squares in 6 ways, for example, as 91164304 + 7485696 = 9548^2 + 2736^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98650007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49014 + ... + 50986.

Almost surely, 2^98650000 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 98650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119511882).

98650000 is an abundant number, since it is smaller than the sum of its proper divisors (140373764).

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

98650000 is an equidigital number, since it uses as much as digits as its factorization.

98650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 98650000 is about 9932.2706366671. The cubic root of 98650000 is about 462.0606980338.

Adding to 98650000 its reverse (5689), we get a palindrome (98655689).

The spelling of 98650000 in words is "ninety-eight million, six hundred fifty thousand".