9942988 has 12 divisors (see below), whose sum is σ = 18982152. Its totient is φ = 4519520.

The previous prime is 9942941. The next prime is 9943057. The reversal of 9942988 is 8892499.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112945 + ... + 113032.

It is an arithmetic number, because the mean of its divisors is an integer number (1581846).

Almost surely, 2^9942988 is an apocalyptic number.

It is an amenable number.

9942988 is a deficient number, since it is larger than the sum of its proper divisors (9039164).

9942988 is a wasteful number, since it uses less digits than its factorization.

9942988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225992 (or 225990 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 9942988 is about 3153.2503865060. The cubic root of 9942988 is about 215.0332596824.

The spelling of 9942988 in words is "nine million, nine hundred forty-two thousand, nine hundred eighty-eight".