1982968 has 32 divisors (see below), whose sum is σ = 4183200. Its totient is φ = 874368.

The previous prime is 1982957. The next prime is 1982969. The reversal of 1982968 is 8692891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (130725).

2^1982968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091600).

1982968 is an abundant number, since it is smaller than the sum of its proper divisors (2200232).

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

1982968 is a wasteful number, since it uses less digits than its factorization.

1982968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 867 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 1982968 is about 1408.1789658989. The cubic root of 1982968 is about 125.6334353221.

The spelling of 1982968 in words is "one million, nine hundred eighty-two thousand, nine hundred sixty-eight".