9992940 has 96 divisors (see below), whose sum is σ = 30227904. Its totient is φ = 2457600.

The previous prime is 9992933. The next prime is 9992963. The reversal of 9992940 is 492999.

It is a junction number, because it is equal to n+sod(n) for n = 9992892 and 9992901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98890 + ... + 98990.

It is an arithmetic number, because the mean of its divisors is an integer number (314874).

Almost surely, 2^9992940 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 9992940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15113952).

9992940 is an abundant number, since it is smaller than the sum of its proper divisors (20234964).

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

9992940 is a wasteful number, since it uses less digits than its factorization.

9992940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 9992940 is about 3161.1611790606. The cubic root of 9992940 is about 215.3927560372.

It can be divided in two parts, 99 and 92940, that added together give a palindrome (93039).

The spelling of 9992940 in words is "nine million, nine hundred ninety-two thousand, nine hundred forty".