9946040 has 64 divisors (see below), whose sum is σ = 24917760. Its totient is φ = 3548160.

The previous prime is 9946039. The next prime is 9946049. The reversal of 9946040 is 406499.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9945988 and 9946006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946049) 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 15 ways as a sum of consecutive naturals, for example, 15812 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (389340).

Almost surely, 2^9946040 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 9946040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12458880).

9946040 is an abundant number, since it is smaller than the sum of its proper divisors (14971720).

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

9946040 is a wasteful number, since it uses less digits than its factorization.

9946040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 9946040 is about 3153.7342944516. The cubic root of 9946040 is about 215.0552589168.

The spelling of 9946040 in words is "nine million, nine hundred forty-six thousand, forty".