9874240 has 56 divisors (see below), whose sum is σ = 23957280. Its totient is φ = 3875328.

The previous prime is 9874223. The next prime is 9874247. The reversal of 9874240 is 424789.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9874196 and 9874205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9874247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18619 + ... + 19141.

Almost surely, 2^9874240 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 9874240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11978640).

9874240 is an abundant number, since it is smaller than the sum of its proper divisors (14083040).

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

9874240 is a wasteful number, since it uses less digits than its factorization.

9874240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 9874240 is about 3142.3303454602. The cubic root of 9874240 is about 214.5365173473.

The spelling of 9874240 in words is "nine million, eight hundred seventy-four thousand, two hundred forty".