9840740 has 48 divisors (see below), whose sum is σ = 25439232. Its totient is φ = 3113856.

The previous prime is 9840731. The next prime is 9840751. The reversal of 9840740 is 470489.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9840697 and 9840706.

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, 884 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (529984).

Almost surely, 2^9840740 is an apocalyptic number.

It is an amenable number.

9840740 is an abundant number, since it is smaller than the sum of its proper divisors (15598492).

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

9840740 is a wasteful number, since it uses less digits than its factorization.

9840740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 9840740 is about 3136.9953777460. The cubic root of 9840740 is about 214.2936255280.

The spelling of 9840740 in words is "nine million, eight hundred forty thousand, seven hundred forty".