9671540 has 12 divisors (see below), whose sum is σ = 20310276. Its totient is φ = 3868608.

The previous prime is 9671539. The next prime is 9671561. The reversal of 9671540 is 451769.

It is a happy number.

9671540 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 4892944 + 4778596 = 2212^2 + 2186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9671497 and 9671506.

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, 241769 + ... + 241808.

It is an arithmetic number, because the mean of its divisors is an integer number (1692523).

Almost surely, 2^9671540 is an apocalyptic number.

It is an amenable number.

9671540 is an abundant number, since it is smaller than the sum of its proper divisors (10638736).

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

9671540 is a wasteful number, since it uses less digits than its factorization.

9671540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483586 (or 483584 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 9671540 is about 3109.9099665424. The cubic root of 9671540 is about 213.0583425154.

The spelling of 9671540 in words is "nine million, six hundred seventy-one thousand, five hundred forty".