9940992 has 52 divisors (see below), whose sum is σ = 26538840. Its totient is φ = 3309568.

The previous prime is 9940963. The next prime is 9941003. The reversal of 9940992 is 2990499.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11884 + ... + 12692.

Almost surely, 2^9940992 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 9940992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269420).

9940992 is an abundant number, since it is smaller than the sum of its proper divisors (16597848).

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

9940992 is an equidigital number, since it uses as much as digits as its factorization.

9940992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 814 counting only the distinct ones).

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

The square root of 9940992 is about 3152.9338718089. The cubic root of 9940992 is about 215.0188698059.

The spelling of 9940992 in words is "nine million, nine hundred forty thousand, nine hundred ninety-two".