9912192 has 64 divisors (see below), whose sum is σ = 26732160. Its totient is φ = 3253760.

The previous prime is 9912169. The next prime is 9912211. The reversal of 9912192 is 2912199.

9912192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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, 31717 + ... + 32027.

It is an arithmetic number, because the mean of its divisors is an integer number (417690).

Almost surely, 2^9912192 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 9912192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13366080).

9912192 is an abundant number, since it is smaller than the sum of its proper divisors (16819968).

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

9912192 is a wasteful number, since it uses less digits than its factorization.

9912192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 399 counting only the distinct ones).

The product of its digits is 2916, while the sum is 33.

The square root of 9912192 is about 3148.3633843634. The cubic root of 9912192 is about 214.8110255846.

The spelling of 9912192 in words is "nine million, nine hundred twelve thousand, one hundred ninety-two".