1965982 has 16 divisors (see below), whose sum is σ = 3184272. Its totient is φ = 906880.

The previous prime is 1965979. The next prime is 1965983. The reversal of 1965982 is 2895691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (199017).

2^1965982 is an apocalyptic number.

1965982 is a deficient number, since it is larger than the sum of its proper divisors (1218290).

1965982 is a wasteful number, since it uses less digits than its factorization.

1965982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its digits is 38880, while the sum is 40.

The square root of 1965982 is about 1402.1348009375. The cubic root of 1965982 is about 125.2736830102.

It can be divided in two parts, 1965 and 982, that multiplied together give a triangular number (1929630 = T₁₉₆₄).

The spelling of 1965982 in words is "one million, nine hundred sixty-five thousand, nine hundred eighty-two".