805396 has 12 divisors (see below), whose sum is σ = 1417248. Its totient is φ = 400472.

The previous prime is 805381. The next prime is 805397. The reversal of 805396 is 693508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805397) 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, 465 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (118104).

2⁸⁰⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

805396 is a deficient number, since it is larger than the sum of its proper divisors (611852).

805396 is a wasteful number, since it uses less digits than its factorization.

805396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 805396 is about 897.4385772854. The cubic root of 805396 is about 93.0400259358.

It can be divided in two parts, 80 and 5396, that added together give a square (5476 = 74²).

The spelling of 805396 in words is "eight hundred five thousand, three hundred ninety-six".