9942192 has 120 divisors (see below), whose sum is σ = 30873024. Its totient is φ = 2967552.

The previous prime is 9942181. The next prime is 9942199. The reversal of 9942192 is 2912499.

9942192 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (9942199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87928 + ... + 88040.

Almost surely, 2^9942192 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 9942192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436512).

9942192 is an abundant number, since it is smaller than the sum of its proper divisors (20930832).

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

9942192 is a wasteful number, since it uses less digits than its factorization.

9942192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 9942192 is about 3153.1241650148. The cubic root of 9942192 is about 215.0275212651.

The spelling of 9942192 in words is "nine million, nine hundred forty-two thousand, one hundred ninety-two".