99898110 has 160 divisors (see below), whose sum is σ = 296382240. Its totient is φ = 23991552.

The previous prime is 99898081. The next prime is 99898121. The reversal of 99898110 is 1189899.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 558001 + ... + 558179.

It is an arithmetic number, because the mean of its divisors is an integer number (1852389).

Almost surely, 2^99898110 is an apocalyptic number.

99898110 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99898110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148191120).

99898110 is an abundant number, since it is smaller than the sum of its proper divisors (196484130).

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

99898110 is a wasteful number, since it uses less digits than its factorization.

99898110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 99898110 is about 9994.9042016420. The cubic root of 99898110 is about 464.0011859611.

It can be divided in two parts, 998981 and 10, that added together give a triangular number (998991 = T₁₄₁₃).

The spelling of 99898110 in words is "ninety-nine million, eight hundred ninety-eight thousand, one hundred ten".