971982 has 24 divisors (see below), whose sum is σ = 2297880. Its totient is φ = 294480.

The previous prime is 971981. The next prime is 971989. The reversal of 971982 is 289179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971981) 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, 2257 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (95745).

2⁹⁷¹⁹⁸² is an apocalyptic number.

971982 is an abundant number, since it is smaller than the sum of its proper divisors (1325898).

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

971982 is a wasteful number, since it uses less digits than its factorization.

971982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928 (or 4925 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 971982 is about 985.8914747577. The cubic root of 971982 is about 99.0572059951.

It can be divided in two parts, 9719 and 82, that added together give a square (9801 = 99²).

The spelling of 971982 in words is "nine hundred seventy-one thousand, nine hundred eighty-two".