9890938112 has 72 divisors (see below), whose sum is σ = 21650865600. Its totient is φ = 4472340480.

The previous prime is 9890938103. The next prime is 9890938133. The reversal of 9890938112 is 2118390989.

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 7 ways as a sum of consecutive naturals, for example, 534389 + ... + 552587.

Almost surely, 2^9890938112 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 9890938112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10825432800).

9890938112 is an abundant number, since it is smaller than the sum of its proper divisors (11759927488).

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

9890938112 is a wasteful number, since it uses less digits than its factorization.

9890938112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419 (or 18405 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 9890938112 is about 99453.1955846568. The cubic root of 9890938112 is about 2146.5738191821.

The spelling of 9890938112 in words is "nine billion, eight hundred ninety million, nine hundred thirty-eight thousand, one hundred twelve".