9946580 has 48 divisors (see below), whose sum is σ = 24917760. Its totient is φ = 3260928.

The previous prime is 9946571. The next prime is 9946583. The reversal of 9946580 is 856499.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946583) 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, 1676 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (519120).

Almost surely, 2^9946580 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 9946580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12458880).

9946580 is an abundant number, since it is smaller than the sum of its proper divisors (14971180).

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

9946580 is a wasteful number, since it uses less digits than its factorization.

9946580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9946580 is about 3153.8199060821. The cubic root of 9946580 is about 215.0591508423.

The spelling of 9946580 in words is "nine million, nine hundred forty-six thousand, five hundred eighty".