845982 has 24 divisors (see below), whose sum is σ = 1877304. Its totient is φ = 275184.

The previous prime is 845981. The next prime is 845983. The reversal of 845982 is 289548.

It is an interprime number because it is at equal distance from previous prime (845981) and next prime (845983).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845981) 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 11 ways as a sum of consecutive naturals, for example, 228 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (78221).

2⁸⁴⁵⁹⁸² is an apocalyptic number.

845982 is an abundant number, since it is smaller than the sum of its proper divisors (1031322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845982 is a wasteful number, since it uses less digits than its factorization.

845982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1141 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 845982 is about 919.7727980322. The cubic root of 845982 is about 94.5773281565.

The spelling of 845982 in words is "eight hundred forty-five thousand, nine hundred eighty-two".