873903 has 8 divisors (see below), whose sum is σ = 1196848. Its totient is φ = 566784.

The previous prime is 873877. The next prime is 873913. The reversal of 873903 is 309378.

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

It is not a de Polignac number, because 873903 - 2¹² = 869807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873903.

It is not an unprimeable number, because it can be changed into a prime (873913) 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 7 ways as a sum of consecutive naturals, for example, 3826 + ... + 4047.

It is an arithmetic number, because the mean of its divisors is an integer number (149606).

2⁸⁷³⁹⁰³ is an apocalyptic number.

873903 is a deficient number, since it is larger than the sum of its proper divisors (322945).

873903 is a wasteful number, since it uses less digits than its factorization.

873903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 873903 is about 934.8277916280. The cubic root of 873903 is about 95.6065712703.

The spelling of 873903 in words is "eight hundred seventy-three thousand, nine hundred three".