1968682 has 4 divisors (see below), whose sum is σ = 2953026. Its totient is φ = 984340.

The previous prime is 1968679. The next prime is 1968683. The reversal of 1968682 is 2868691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2868691 = 7 ⋅409813.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 121801 = 1359^2 + 349^2 .

It is a d-powerful number, because it can be written as 1 + 9⁴ + 6⁷ + 8 + 6⁸ + 8³ + 2¹¹ .

It is not an unprimeable number, because it can be changed into a prime (1968683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492169 + ... + 492172.

2^1968682 is an apocalyptic number.

1968682 is a deficient number, since it is larger than the sum of its proper divisors (984344).

1968682 is an equidigital number, since it uses as much as digits as its factorization.

1968682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984343.

The product of its digits is 41472, while the sum is 40.

The square root of 1968682 is about 1403.0972881451. The cubic root of 1968682 is about 125.3310053765.

Subtracting 1968682 from its reverse (2868691), we obtain a palindrome (900009).

The spelling of 1968682 in words is "one million, nine hundred sixty-eight thousand, six hundred eighty-two".