9681040 has 20 divisors (see below), whose sum is σ = 22508604. Its totient is φ = 3872384.

The previous prime is 9681029. The next prime is 9681071. The reversal of 9681040 is 401869.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 3370896 = 2512^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 60427 + ... + 60586.

Almost surely, 2^9681040 is an apocalyptic number.

It is an amenable number.

9681040 is an abundant number, since it is smaller than the sum of its proper divisors (12827564).

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

9681040 is a wasteful number, since it uses less digits than its factorization.

9681040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121026 (or 121020 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9681040 is about 3111.4369670620. The cubic root of 9681040 is about 213.1280794927.

The spelling of 9681040 in words is "nine million, six hundred eighty-one thousand, forty".