990099110 has 64 divisors (see below), whose sum is σ = 2392879104. Its totient is φ = 284860800.

The previous prime is 990099059. The next prime is 990099127. The reversal of 990099110 is 11990099.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39446 + ... + 59465.

It is an arithmetic number, because the mean of its divisors is an integer number (37388736).

Almost surely, 2^990099110 is an apocalyptic number.

990099110 is an abundant number, since it is smaller than the sum of its proper divisors (1402779994).

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

990099110 is a wasteful number, since it uses less digits than its factorization.

990099110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98949.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 990099110 is about 31465.8403669757. The cubic root of 990099110 is about 996.6887510657.

The spelling of 990099110 in words is "nine hundred ninety million, ninety-nine thousand, one hundred ten".