9780990412 has 12 divisors (see below), whose sum is σ = 17119065880. Its totient is φ = 4889828736.

The previous prime is 9780990397. The next prime is 9780990431. The reversal of 9780990412 is 2140990879.

9780990412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 132837 + ... + 192892.

Almost surely, 2^9780990412 is an apocalyptic number.

It is an amenable number.

9780990412 is a deficient number, since it is larger than the sum of its proper divisors (7338075468).

9780990412 is a wasteful number, since it uses less digits than its factorization.

9780990412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333240 (or 333238 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 9780990412 is about 98898.8898421009. The cubic root of 9780990412 is about 2138.5903905923.

The spelling of 9780990412 in words is "nine billion, seven hundred eighty million, nine hundred ninety thousand, four hundred twelve".