9764840 has 16 divisors (see below), whose sum is σ = 21970980. Its totient is φ = 3905920.

The previous prime is 9764801. The next prime is 9764849. The reversal of 9764840 is 484679.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 17956 = 3122^2 + 134^2 .

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 9764794 and 9764803.

It is not an unprimeable number, because it can be changed into a prime (9764849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122021 + ... + 122100.

Almost surely, 2^9764840 is an apocalyptic number.

It is an amenable number.

9764840 is an abundant number, since it is smaller than the sum of its proper divisors (12206140).

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

9764840 is a wasteful number, since it uses less digits than its factorization.

9764840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244132 (or 244128 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 9764840 is about 3124.8743974758. The cubic root of 9764840 is about 213.7412659017.

The spelling of 9764840 in words is "nine million, seven hundred sixty-four thousand, eight hundred forty".