9918982 has 8 divisors (see below), whose sum is σ = 15224616. Its totient is φ = 4844112.

The previous prime is 9918959. The next prime is 9918983. The reversal of 9918982 is 2898199.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9918983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57583 + ... + 57754.

It is an arithmetic number, because the mean of its divisors is an integer number (1903077).

Almost surely, 2^9918982 is an apocalyptic number.

9918982 is a deficient number, since it is larger than the sum of its proper divisors (5305634).

9918982 is a wasteful number, since it uses less digits than its factorization.

9918982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115382.

The product of its digits is 93312, while the sum is 46.

The square root of 9918982 is about 3149.4415377968. The cubic root of 9918982 is about 214.8600639790.

The spelling of 9918982 in words is "nine million, nine hundred eighteen thousand, nine hundred eighty-two".