9942880 has 24 divisors (see below), whose sum is σ = 23490432. Its totient is φ = 3977088.

The previous prime is 9942797. The next prime is 9942883. The reversal of 9942880 is 882499.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942883) 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 3 ways as a sum of consecutive naturals, for example, 30912 + ... + 31231.

It is an arithmetic number, because the mean of its divisors is an integer number (978768).

Almost surely, 2^9942880 is an apocalyptic number.

It is an amenable number.

9942880 is an abundant number, since it is smaller than the sum of its proper divisors (13547552).

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

9942880 is a wasteful number, since it uses less digits than its factorization.

9942880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62158 (or 62150 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 9942880 is about 3153.2332612733. The cubic root of 9942880 is about 215.0324811212.

The spelling of 9942880 in words is "nine million, nine hundred forty-two thousand, eight hundred eighty".