1968933 has 4 divisors (see below), whose sum is σ = 2625248. Its totient is φ = 1312620.

The previous prime is 1968919. The next prime is 1968977. The reversal of 1968933 is 3398691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1968933 - 2¹⁰ = 1967909 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1968891 and 1968900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328153 + ... + 328158.

It is an arithmetic number, because the mean of its divisors is an integer number (656312).

2^1968933 is an apocalyptic number.

It is an amenable number.

1968933 is a deficient number, since it is larger than the sum of its proper divisors (656315).

1968933 is an equidigital number, since it uses as much as digits as its factorization.

1968933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656314.

The product of its digits is 34992, while the sum is 39.

The square root of 1968933 is about 1403.1867302679. The cubic root of 1968933 is about 125.3363315703.

The spelling of 1968933 in words is "one million, nine hundred sixty-eight thousand, nine hundred thirty-three".