1968863 has 4 divisors (see below), whose sum is σ = 2120328. Its totient is φ = 1817400.

The previous prime is 1968853. The next prime is 1968871. The reversal of 1968863 is 3688691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1968863 - 2¹⁴ = 1952479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75713 + ... + 75738.

It is an arithmetic number, because the mean of its divisors is an integer number (530082).

2^1968863 is an apocalyptic number.

1968863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1968863 is a deficient number, since it is larger than the sum of its proper divisors (151465).

1968863 is a wasteful number, since it uses less digits than its factorization.

1968863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151464.

The product of its digits is 62208, while the sum is 41.

The square root of 1968863 is about 1403.1617868229. The cubic root of 1968863 is about 125.3348462231.

The spelling of 1968863 in words is "one million, nine hundred sixty-eight thousand, eight hundred sixty-three".