1963982 has 16 divisors (see below), whose sum is σ = 3093552. Its totient is φ = 934080.

The previous prime is 1963981. The next prime is 1963999. The reversal of 1963982 is 2893691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963981) 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, 3248 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (193347).

2^1963982 is an apocalyptic number.

1963982 is a deficient number, since it is larger than the sum of its proper divisors (1129570).

1963982 is a wasteful number, since it uses less digits than its factorization.

1963982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 23328, while the sum is 38.

The square root of 1963982 is about 1401.4214212720. The cubic root of 1963982 is about 125.2311881527.

It can be divided in two parts, 1963 and 982, that multiplied together give a triangular number (1927666 = T₁₉₆₃).

The spelling of 1963982 in words is "one million, nine hundred sixty-three thousand, nine hundred eighty-two".