9720486 has 56 divisors (see below), whose sum is σ = 22428360. Its totient is φ = 3157056.

The previous prime is 9720479. The next prime is 9720497. The reversal of 9720486 is 6840279.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9720486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 85966 + ... + 86078.

Almost surely, 2^9720486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9720486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11214180).

9720486 is an abundant number, since it is smaller than the sum of its proper divisors (12707874).

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

9720486 is a wasteful number, since it uses less digits than its factorization.

9720486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9720486 is about 3117.7693949361. The cubic root of 9720486 is about 213.4171551034.

The spelling of 9720486 in words is "nine million, seven hundred twenty thousand, four hundred eighty-six".