800983 has 4 divisors (see below), whose sum is σ = 843160. Its totient is φ = 758808.

The previous prime is 800977. The next prime is 800993. The reversal of 800983 is 389008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800903) 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 3 ways as a sum of consecutive naturals, for example, 21060 + ... + 21097.

It is an arithmetic number, because the mean of its divisors is an integer number (210790).

2⁸⁰⁰⁹⁸³ is an apocalyptic number.

800983 is a deficient number, since it is larger than the sum of its proper divisors (42177).

800983 is a wasteful number, since it uses less digits than its factorization.

800983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42176.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 800983 is about 894.9765360053. The cubic root of 800983 is about 92.8697834581.

The spelling of 800983 in words is "eight hundred thousand, nine hundred eighty-three".