990230216 has 64 divisors (see below), whose sum is σ = 1938401280. Its totient is φ = 473947200.

The previous prime is 990230203. The next prime is 990230233. The reversal of 990230216 is 612032099.

990230216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6074951 + ... + 6075113.

It is an arithmetic number, because the mean of its divisors is an integer number (30287520).

Almost surely, 2^990230216 is an apocalyptic number.

It is an amenable number.

990230216 is a deficient number, since it is larger than the sum of its proper divisors (948171064).

990230216 is a wasteful number, since it uses less digits than its factorization.

990230216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 990230216 is about 31467.9236048393. The cubic root of 990230216 is about 996.7327419844.

The spelling of 990230216 in words is "nine hundred ninety million, two hundred thirty thousand, two hundred sixteen".