9530640 has 240 divisors, whose sum is σ = 38378496. Its totient is φ = 2073600.

The previous prime is 9530627. The next prime is 9530657. The reversal of 9530640 is 460359.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156210 + ... + 156270.

Almost surely, 2^9530640 is an apocalyptic number.

9530640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9530640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19189248).

9530640 is an abundant number, since it is smaller than the sum of its proper divisors (28847856).

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

9530640 is a wasteful number, since it uses less digits than its factorization.

9530640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 9530640 is about 3087.1734645141. The cubic root of 9530640 is about 212.0186289551.

Adding to 9530640 its reverse (460359), we get a palindrome (9990999).

The spelling of 9530640 in words is "nine million, five hundred thirty thousand, six hundred forty".