1968535 has 8 divisors (see below), whose sum is σ = 2402640. Its totient is φ = 1547904.

The previous prime is 1968521. The next prime is 1968539. The reversal of 1968535 is 5358691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968535 - 2⁹ = 1968023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1968494 and 1968503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968539) 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 7 ways as a sum of consecutive naturals, for example, 3042 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (300330).

2^1968535 is an apocalyptic number.

1968535 is a deficient number, since it is larger than the sum of its proper divisors (434105).

1968535 is an equidigital number, since it uses as much as digits as its factorization.

1968535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its digits is 32400, while the sum is 37.

The square root of 1968535 is about 1403.0449030591. The cubic root of 1968535 is about 125.3278858417.

The spelling of 1968535 in words is "one million, nine hundred sixty-eight thousand, five hundred thirty-five".