805982 has 4 divisors (see below), whose sum is σ = 1208976. Its totient is φ = 402990.

The previous prime is 805967. The next prime is 805991. The reversal of 805982 is 289508.

805982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

805982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201494 + ... + 201497.

It is an arithmetic number, because the mean of its divisors is an integer number (302244).

2⁸⁰⁵⁹⁸² is an apocalyptic number.

805982 is a deficient number, since it is larger than the sum of its proper divisors (402994).

805982 is a wasteful number, since it uses less digits than its factorization.

805982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402993.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 805982 is about 897.7650026594. The cubic root of 805982 is about 93.0625855369.

The spelling of 805982 in words is "eight hundred five thousand, nine hundred eighty-two".