802843 has 4 divisors (see below), whose sum is σ = 804760. Its totient is φ = 800928.

The previous prime is 802831. The next prime is 802873. The reversal of 802843 is 348208.

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

It is a cyclic number.

It is not a de Polignac number, because 802843 - 2⁵ = 802811 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8⁶ + 0 + 8⁶ + 2¹⁸ + 4⁷ + 3³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30 + ... + 1267.

It is an arithmetic number, because the mean of its divisors is an integer number (201190).

2⁸⁰²⁸⁴³ is an apocalyptic number.

802843 is a deficient number, since it is larger than the sum of its proper divisors (1917).

802843 is a wasteful number, since it uses less digits than its factorization.

802843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 802843 is about 896.0150668376. The cubic root of 802843 is about 92.9416136392.

The spelling of 802843 in words is "eight hundred two thousand, eight hundred forty-three".