9939456 has 80 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 3308544.

The previous prime is 9939403. The next prime is 9939463. The reversal of 9939456 is 6549399.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13465 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^9939456 is an apocalyptic number.

9939456 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9939456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14731200).

9939456 is an abundant number, since it is smaller than the sum of its proper divisors (19522944).

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

9939456 is an equidigital number, since it uses as much as digits as its factorization.

9939456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 724 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 9939456 is about 3152.6902797452. The cubic root of 9939456 is about 215.0077949220.

The spelling of 9939456 in words is "nine million, nine hundred thirty-nine thousand, four hundred fifty-six".