9757940 has 12 divisors (see below), whose sum is σ = 20491716. Its totient is φ = 3903168.

The previous prime is 9757931. The next prime is 9757981. The reversal of 9757940 is 497579.

It is a happy number.

9757940 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 7107556 + 2650384 = 2666^2 + 1628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243929 + ... + 243968.

It is an arithmetic number, because the mean of its divisors is an integer number (1707643).

Almost surely, 2^9757940 is an apocalyptic number.

It is an amenable number.

9757940 is an abundant number, since it is smaller than the sum of its proper divisors (10733776).

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

9757940 is a wasteful number, since it uses less digits than its factorization.

9757940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487906 (or 487904 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 9757940 is about 3123.7701579982. The cubic root of 9757940 is about 213.6909096491.

The spelling of 9757940 in words is "nine million, seven hundred fifty-seven thousand, nine hundred forty".