1968426 has 12 divisors (see below), whose sum is σ = 4264962. Its totient is φ = 656136.

The previous prime is 1968403. The next prime is 1968427. The reversal of 1968426 is 6248691.

It can be written as a sum of positive squares in only one way, i.e., 1962801 + 5625 = 1401^2 + 75^2 .

It is a d-powerful number, because it can be written as 1 + 9⁴ + 6⁷ + 8 + 4⁴ + 2¹¹ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (1968427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54661 + ... + 54696.

2^1968426 is an apocalyptic number.

1968426 is an abundant number, since it is smaller than the sum of its proper divisors (2296536).

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

1968426 is a wasteful number, since it uses less digits than its factorization.

1968426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109365 (or 109362 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1968426 is about 1403.0060584331. The cubic root of 1968426 is about 125.3255726169.

The spelling of 1968426 in words is "one million, nine hundred sixty-eight thousand, four hundred twenty-six".