990110208 has 80 divisors (see below), whose sum is σ = 2646705600. Its totient is φ = 328912896.

The previous prime is 990110207. The next prime is 990110227. The reversal of 990110208 is 802011099.

It is not an unprimeable number, because it can be changed into a prime (990110201) 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, 535141 + ... + 536987.

It is an arithmetic number, because the mean of its divisors is an integer number (33083820).

Almost surely, 2^990110208 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 990110208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323352800).

990110208 is an abundant number, since it is smaller than the sum of its proper divisors (1656595392).

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

990110208 is a wasteful number, since it uses less digits than its factorization.

990110208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 990110208 is about 31466.0167164514. The cubic root of 990110208 is about 996.6924750062.

The spelling of 990110208 in words is "nine hundred ninety million, one hundred ten thousand, two hundred eight".