9992140 has 12 divisors (see below), whose sum is σ = 20983536. Its totient is φ = 3996848.

The previous prime is 9992131. The next prime is 9992149. The reversal of 9992140 is 412999.

It is an interprime number because it is at equal distance from previous prime (9992131) and next prime (9992149).

It is a junction number, because it is equal to n+sod(n) for n = 9992096 and 9992105.

It is not an unprimeable number, because it can be changed into a prime (9992149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 249784 + ... + 249823.

It is an arithmetic number, because the mean of its divisors is an integer number (1748628).

Almost surely, 2^9992140 is an apocalyptic number.

It is an amenable number.

9992140 is an abundant number, since it is smaller than the sum of its proper divisors (10991396).

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

9992140 is a wasteful number, since it uses less digits than its factorization.

9992140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499616 (or 499614 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9992140 is about 3161.0346407466. The cubic root of 9992140 is about 215.3870080189.

The spelling of 9992140 in words is "nine million, nine hundred ninety-two thousand, one hundred forty".