9940560 has 160 divisors (see below), whose sum is σ = 36164352. Its totient is φ = 2211840.

The previous prime is 9940537. The next prime is 9940561. The reversal of 9940560 is 650499.

It is a happy number.

9940560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9940560² = 197629466227200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102432 + ... + 102528.

Almost surely, 2^9940560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9940560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18082176).

9940560 is an abundant number, since it is smaller than the sum of its proper divisors (26223792).

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

9940560 is a wasteful number, since it uses less digits than its factorization.

9940560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 9940560 is about 3152.8653634432. The cubic root of 9940560 is about 215.0157551101.

The spelling of 9940560 in words is "nine million, nine hundred forty thousand, five hundred sixty".