1982856 has 16 divisors (see below), whose sum is σ = 4957200. Its totient is φ = 660944.

The previous prime is 1982843. The next prime is 1982857. The reversal of 1982856 is 6582891.

It is not an unprimeable number, because it can be changed into a prime (1982857) 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, 41286 + ... + 41333.

It is an arithmetic number, because the mean of its divisors is an integer number (309825).

2^1982856 is an apocalyptic number.

It is an amenable number.

1982856 is an abundant number, since it is smaller than the sum of its proper divisors (2974344).

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

1982856 is a wasteful number, since it uses less digits than its factorization.

1982856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82628 (or 82624 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 1982856 is about 1408.1391976648. The cubic root of 1982856 is about 125.6310699772.

The spelling of 1982856 in words is "one million, nine hundred eighty-two thousand, eight hundred fifty-six".