873863 has 2 divisors, whose sum is σ = 873864. Its totient is φ = 873862.

The previous prime is 873787. The next prime is 873877. The reversal of 873863 is 368378.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873263) 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 as a sum of consecutive naturals, namely, 436931 + 436932.

It is an arithmetic number, because the mean of its divisors is an integer number (436932).

2⁸⁷³⁸⁶³ is an apocalyptic number.

873863 is a deficient number, since it is larger than the sum of its proper divisors (1).

873863 is an equidigital number, since it uses as much as digits as its factorization.

873863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 873863 is about 934.8063970684. The cubic root of 873863 is about 95.6051125572.

The spelling of 873863 in words is "eight hundred seventy-three thousand, eight hundred sixty-three".