1968923 has 8 divisors (see below), whose sum is σ = 2274480. Its totient is φ = 1684480.

The previous prime is 1968919. The next prime is 1968977. The reversal of 1968923 is 3298691.

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 1968923 - 2² = 1968919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968983) 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, 5078 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (284310).

2^1968923 is an apocalyptic number.

1968923 is a deficient number, since it is larger than the sum of its proper divisors (305557).

1968923 is a wasteful number, since it uses less digits than its factorization.

1968923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557.

The product of its digits is 23328, while the sum is 38.

The square root of 1968923 is about 1403.1831669458. The cubic root of 1968923 is about 125.3361193800.

It can be divided in two parts, 196 and 8923, that added together give a palindrome (9119).

The spelling of 1968923 in words is "one million, nine hundred sixty-eight thousand, nine hundred twenty-three".