3985782 has 16 divisors (see below), whose sum is σ = 8391360. Its totient is φ = 1258632.

The previous prime is 3985777. The next prime is 3985829. The reversal of 3985782 is 2875893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17368 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (524460).

Almost surely, 2^3985782 is an apocalyptic number.

3985782 is an abundant number, since it is smaller than the sum of its proper divisors (4405578).

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

3985782 is a wasteful number, since it uses less digits than its factorization.

3985782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34987.

The product of its digits is 120960, while the sum is 42.

The square root of 3985782 is about 1996.4423357563. The cubic root of 3985782 is about 158.5518013436.

The spelling of 3985782 in words is "three million, nine hundred eighty-five thousand, seven hundred eighty-two".