9739240 has 48 divisors (see below), whose sum is σ = 25496100. Its totient is φ = 3338496.

The previous prime is 9739237. The next prime is 9739241. The reversal of 9739240 is 429379.

9739240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 509796 = 3038^2 + 714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9739196 and 9739205.

It is not an unprimeable number, because it can be changed into a prime (9739241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 4444.

Almost surely, 2^9739240 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 9739240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12748050).

9739240 is an abundant number, since it is smaller than the sum of its proper divisors (15756860).

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

9739240 is a wasteful number, since it uses less digits than its factorization.

9739240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 9739240 is about 3120.7755446363. The cubic root of 9739240 is about 213.5543174526.

The spelling of 9739240 in words is "nine million, seven hundred thirty-nine thousand, two hundred forty".