3882785 has 4 divisors (see below), whose sum is σ = 4659348. Its totient is φ = 3106224.

The previous prime is 3882773. The next prime is 3882787. The reversal of 3882785 is 5872883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5872883 = 1621 ⋅3623.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 3129361 = 868^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 3882785 - 2⁶ = 3882721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3882787) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 388274 + ... + 388283.

It is an arithmetic number, because the mean of its divisors is an integer number (1164837).

Almost surely, 2^3882785 is an apocalyptic number.

It is an amenable number.

3882785 is a deficient number, since it is larger than the sum of its proper divisors (776563).

3882785 is an equidigital number, since it uses as much as digits as its factorization.

3882785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776562.

The product of its digits is 107520, while the sum is 41.

The square root of 3882785 is about 1970.4783683157. The cubic root of 3882785 is about 157.1741478421.

The spelling of 3882785 in words is "three million, eight hundred eighty-two thousand, seven hundred eighty-five".