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982 = 2491

982 has 4 divisors (see below), whose sum is σ = 1476. Its totient is φ = 490.

The previous prime is 977. The next prime is 983. The reversal of 982 is 289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289 = 172.

It is a plaindrome in base 12 and base 15.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983) by changing a digit.

982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244 + ... + 247.

It is an arithmetic number, because the mean of its divisors is an integer number (369).

982 is a deficient number, since it is larger than the sum of its proper divisors (494).

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

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

The sum of its prime factors is 493.

The product of its digits is 144, while the sum is 19.

The square root of 982 is about 31.3368792320. The cubic root of 982 is about 9.9396363562.

Adding to 982 its sum of digits (19), we get a palindrome (1001).

Subtracting from 982 its product of digits (144), we obtain a palindrome (838).

It can be divided in two parts, 98 and 2, that multiplied together give a square (196 = 142).

The spelling of 982 in words is "nine hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 491 982