9421992 has 48 divisors (see below), whose sum is σ = 25777440. Its totient is φ = 3108768.

The previous prime is 9421981. The next prime is 9422027. The reversal of 9421992 is 2991249.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7093 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (537030).

Almost surely, 2^9421992 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 9421992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12888720).

9421992 is an abundant number, since it is smaller than the sum of its proper divisors (16355448).

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

9421992 is a wasteful number, since it uses less digits than its factorization.

9421992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1335 counting only the distinct ones).

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

The square root of 9421992 is about 3069.5263478263. The cubic root of 9421992 is about 211.2098867617.

The spelling of 9421992 in words is "nine million, four hundred twenty-one thousand, nine hundred ninety-two".