3882809 has 6 divisors (see below), whose sum is σ = 4516794. Its totient is φ = 3328080.

The previous prime is 3882799. The next prime is 3882841. The reversal of 3882809 is 9082883.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 41209 = 1960^2 + 203^2 .

It is not a de Polignac number, because 3882809 - 2⁸ = 3882553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3882889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39572 + ... + 39669.

It is an arithmetic number, because the mean of its divisors is an integer number (752799).

Almost surely, 2^3882809 is an apocalyptic number.

It is an amenable number.

3882809 is a deficient number, since it is larger than the sum of its proper divisors (633985).

3882809 is an equidigital number, since it uses as much as digits as its factorization.

3882809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79255 (or 79248 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 3882809 is about 1970.4844581980. The cubic root of 3882809 is about 157.1744716794.

The spelling of 3882809 in words is "three million, eight hundred eighty-two thousand, eight hundred nine".