9982818 has 32 divisors (see below), whose sum is σ = 22310400. Its totient is φ = 3308688.

The previous prime is 9982811. The next prime is 9982829. The reversal of 9982818 is 8182899.

It is a super-2 number, since 2×9982818² = 199313310442248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11628 + ... + 12456.

It is an arithmetic number, because the mean of its divisors is an integer number (697200).

Almost surely, 2^9982818 is an apocalyptic number.

9982818 is an abundant number, since it is smaller than the sum of its proper divisors (12327582).

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

9982818 is a wasteful number, since it uses less digits than its factorization.

9982818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 9982818 is about 3159.5597794630. The cubic root of 9982818 is about 215.3200066090.

The spelling of 9982818 in words is "nine million, nine hundred eighty-two thousand, eight hundred eighteen".