98815900 has 72 divisors (see below), whose sum is σ = 233328816. Its totient is φ = 36172800.

The previous prime is 98815877. The next prime is 98815907. The reversal of 98815900 is 951889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98815907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62115 + ... + 63685.

It is an arithmetic number, because the mean of its divisors is an integer number (3240678).

Almost surely, 2^98815900 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 98815900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116664408).

98815900 is an abundant number, since it is smaller than the sum of its proper divisors (134512916).

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

98815900 is a wasteful number, since it uses less digits than its factorization.

98815900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 98815900 is about 9940.6186930191. The cubic root of 98815900 is about 462.3195692591.

The spelling of 98815900 in words is "ninety-eight million, eight hundred fifteen thousand, nine hundred".