9713840 has 80 divisors (see below), whose sum is σ = 24105600. Its totient is φ = 3634176.

The previous prime is 9713839. The next prime is 9713863. The reversal of 9713840 is 483179.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 9713797 and 9713806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122921 + ... + 122999.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^9713840 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 9713840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12052800).

9713840 is an abundant number, since it is smaller than the sum of its proper divisors (14391760).

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

9713840 is a wasteful number, since it uses less digits than its factorization.

9713840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 9713840 is about 3116.7033865930. The cubic root of 9713840 is about 213.3685054856.

The spelling of 9713840 in words is "nine million, seven hundred thirteen thousand, eight hundred forty".