805597 has 8 divisors (see below), whose sum is σ = 896000. Its totient is φ = 719280.

The previous prime is 805589. The next prime is 805633. The reversal of 805597 is 795508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805597 - 2³ = 805589 is a prime.

It is a Duffinian number.

805597 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805507) 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 7 ways as a sum of consecutive naturals, for example, 597 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (112000).

2⁸⁰⁵⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

805597 is a deficient number, since it is larger than the sum of its proper divisors (90403).

805597 is a wasteful number, since it uses less digits than its factorization.

805597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 805597 is about 897.5505556792. The cubic root of 805597 is about 93.0477651886.

The spelling of 805597 in words is "eight hundred five thousand, five hundred ninety-seven".