9739680 has 96 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 2558976.

The previous prime is 9739643. The next prime is 9739699. The reversal of 9739680 is 869379.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9739680² = 189722733004800, which contains 22 as substring.

It is an Ulam number.

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, 49342 + ... + 49538.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

Almost surely, 2^9739680 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 9739680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15567552).

9739680 is an abundant number, since it is smaller than the sum of its proper divisors (21395424).

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

9739680 is a wasteful number, since it uses less digits than its factorization.

9739680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9739680 is about 3120.8460391375. The cubic root of 9739680 is about 213.5575333944.

The spelling of 9739680 in words is "nine million, seven hundred thirty-nine thousand, six hundred eighty".