9940530 has 32 divisors (see below), whose sum is σ = 24096384. Its totient is φ = 2624256.

The previous prime is 9940519. The next prime is 9940537. The reversal of 9940530 is 350499.

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

It is not an unprimeable number, because it can be changed into a prime (9940537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482 + ... + 4698.

It is an arithmetic number, because the mean of its divisors is an integer number (753012).

Almost surely, 2^9940530 is an apocalyptic number.

9940530 is an abundant number, since it is smaller than the sum of its proper divisors (14155854).

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

9940530 is a wasteful number, since it uses less digits than its factorization.

9940530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9940530 is about 3152.8606058626. The cubic root of 9940530 is about 215.0155388084.

The spelling of 9940530 in words is "nine million, nine hundred forty thousand, five hundred thirty".