805093 has 4 divisors (see below), whose sum is σ = 807820. Its totient is φ = 802368.

The previous prime is 805081. The next prime is 805097. The reversal of 805093 is 390508.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 605284 = 447^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 805093 - 2⁵ = 805061 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 (805097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (201955).

2⁸⁰⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

805093 is a deficient number, since it is larger than the sum of its proper divisors (2727).

805093 is a wasteful number, since it uses less digits than its factorization.

805093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 805093 is about 897.2697476233. The cubic root of 805093 is about 93.0283568671.

The spelling of 805093 in words is "eight hundred five thousand, ninety-three".