1968343 has 12 divisors (see below), whose sum is σ = 2247240. Its totient is φ = 1718496.

The previous prime is 1968341. The next prime is 1968349. The reversal of 1968343 is 3438691.

It is not a de Polignac number, because 1968343 - 2¹ = 1968341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1968299 and 1968308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2905 + ... + 3517.

It is an arithmetic number, because the mean of its divisors is an integer number (187270).

2^1968343 is an apocalyptic number.

1968343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1968343 is a deficient number, since it is larger than the sum of its proper divisors (278897).

1968343 is a wasteful number, since it uses less digits than its factorization.

1968343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 645 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 1968343 is about 1402.9764787765. The cubic root of 1968343 is about 125.3238111132.

The spelling of 1968343 in words is "one million, nine hundred sixty-eight thousand, three hundred forty-three".