985782 has 32 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 281064.

The previous prime is 985781. The next prime is 985783. The reversal of 985782 is 287589.

It is an interprime number because it is at equal distance from previous prime (985781) and next prime (985783).

It is a self number, because there is not a number n which added to its sum of digits gives 985782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985781) 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 15 ways as a sum of consecutive naturals, for example, 1819 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁹⁸⁵⁷⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152000).

985782 is an abundant number, since it is smaller than the sum of its proper divisors (1318218).

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

985782 is a wasteful number, since it uses less digits than its factorization.

985782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 491 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 985782 is about 992.8655498102. The cubic root of 985782 is about 99.5238026268.

The spelling of 985782 in words is "nine hundred eighty-five thousand, seven hundred eighty-two".