805347 has 12 divisors (see below), whose sum is σ = 1190904. Its totient is φ = 524160.

The previous prime is 805339. The next prime is 805369. The reversal of 805347 is 743508.

805347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805347 - 2³ = 805339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805347.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805347.

It is not an unprimeable number, because it can be changed into a prime (805327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (99242).

2⁸⁰⁵³⁴⁷ is an apocalyptic number.

805347 is a deficient number, since it is larger than the sum of its proper divisors (385557).

805347 is a wasteful number, since it uses less digits than its factorization.

805347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 805347 is about 897.4112769517. The cubic root of 805347 is about 93.0381390571.

It can be divided in two parts, 8053 and 47, that added together give a square (8100 = 90²).

The spelling of 805347 in words is "eight hundred five thousand, three hundred forty-seven".