98011800 has 144 divisors (see below), whose sum is σ = 348627240. Its totient is φ = 24591360.

The previous prime is 98011759. The next prime is 98011831. The reversal of 98011800 is 811089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28999 + ... + 32201.

Almost surely, 2^98011800 is an apocalyptic number.

98011800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98011800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174313620).

98011800 is an abundant number, since it is smaller than the sum of its proper divisors (250615440).

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

98011800 is a wasteful number, since it uses less digits than its factorization.

98011800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3230 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 98011800 is about 9900.0909086735. The cubic root of 98011800 is about 461.0621329354.

Adding to 98011800 its reverse (811089), we get a palindrome (98822889).

The spelling of 98011800 in words is "ninety-eight million, eleven thousand, eight hundred".