9660540 has 24 divisors (see below), whose sum is σ = 27049680. Its totient is φ = 2576128.

The previous prime is 9660533. The next prime is 9660557. The reversal of 9660540 is 450669.

9660540 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 a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9660498 and 9660507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80445 + ... + 80564.

It is an arithmetic number, because the mean of its divisors is an integer number (1127070).

Almost surely, 2^9660540 is an apocalyptic number.

It is an amenable number.

9660540 is an abundant number, since it is smaller than the sum of its proper divisors (17389140).

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

9660540 is a wasteful number, since it uses less digits than its factorization.

9660540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161021 (or 161019 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 9660540 is about 3108.1409234460. The cubic root of 9660540 is about 212.9775373610.

The spelling of 9660540 in words is "nine million, six hundred sixty thousand, five hundred forty".