9982943 has 8 divisors (see below), whose sum is σ = 10466016. Its totient is φ = 9504000.

The previous prime is 9982939. The next prime is 9982957. The reversal of 9982943 is 3492899.

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

It is a cyclic number.

It is not a de Polignac number, because 9982943 - 2² = 9982939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9982894 and 9982903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4643 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (1308252).

Almost surely, 2^9982943 is an apocalyptic number.

9982943 is a deficient number, since it is larger than the sum of its proper divisors (483073).

9982943 is a wasteful number, since it uses less digits than its factorization.

9982943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 139968, while the sum is 44.

The square root of 9982943 is about 3159.5795606378. The cubic root of 9982943 is about 215.3209053161.

Subtracting from 9982943 its sum of digits (44), we obtain a palindrome (9982899).

The spelling of 9982943 in words is "nine million, nine hundred eighty-two thousand, nine hundred forty-three".