9983982 has 8 divisors (see below), whose sum is σ = 19967976. Its totient is φ = 3327992.

The previous prime is 9983977. The next prime is 9983983. The reversal of 9983982 is 2893899.

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

9983982 is an admirable number.

It is a d-powerful number, because it can be written as 9 + 9 + 8³ + 3¹³ + 9 + 8³ + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9983983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831993 + ... + 832004.

It is an arithmetic number, because the mean of its divisors is an integer number (2495997).

Almost surely, 2^9983982 is an apocalyptic number.

9983982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9983982 is a wasteful number, since it uses less digits than its factorization.

9983982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664002.

The product of its digits is 279936, while the sum is 48.

The square root of 9983982 is about 3159.7439769703. The cubic root of 9983982 is about 215.3283750793.

The spelling of 9983982 in words is "nine million, nine hundred eighty-three thousand, nine hundred eighty-two".