9940740 has 48 divisors (see below), whose sum is σ = 28488768. Its totient is φ = 2588544.

The previous prime is 9940729. The next prime is 9940741. The reversal of 9940740 is 470499.

9940740 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9940741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (593516).

Almost surely, 2^9940740 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 9940740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14244384).

9940740 is an abundant number, since it is smaller than the sum of its proper divisors (18548028).

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

9940740 is a wasteful number, since it uses less digits than its factorization.

9940740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3906 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 9940740 is about 3152.8939087765. The cubic root of 9940740 is about 215.0170529110.

The spelling of 9940740 in words is "nine million, nine hundred forty thousand, seven hundred forty".