9827982 has 24 divisors (see below), whose sum is σ = 21748896. Its totient is φ = 3206016.

The previous prime is 9827981. The next prime is 9827999. The reversal of 9827982 is 2897289.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9827981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (906204).

Almost surely, 2^9827982 is an apocalyptic number.

9827982 is an abundant number, since it is smaller than the sum of its proper divisors (11920914).

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

9827982 is a wasteful number, since it uses less digits than its factorization.

9827982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672 (or 11669 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 9827982 is about 3134.9612437796. The cubic root of 9827982 is about 214.2009786877.

The spelling of 9827982 in words is "nine million, eight hundred twenty-seven thousand, nine hundred eighty-two".