9885940 has 24 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 3915168.

The previous prime is 9885913. The next prime is 9885979. The reversal of 9885940 is 495889.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 340 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 2^9885940 is an apocalyptic number.

It is an amenable number.

9885940 is an abundant number, since it is smaller than the sum of its proper divisors (11080460).

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

9885940 is a wasteful number, since it uses less digits than its factorization.

9885940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911 (or 4909 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 9885940 is about 3144.1914699967. The cubic root of 9885940 is about 214.6212187693.

The spelling of 9885940 in words is "nine million, eight hundred eighty-five thousand, nine hundred forty".