3831849 has 18 divisors (see below), whose sum is σ = 6439290. Its totient is φ = 2189376.

The previous prime is 3831827. The next prime is 3831871. The reversal of 3831849 is 9481383.

3831849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3831827) and next prime (3831871).

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 99225 = 1932^2 + 315^2 .

It is not a de Polignac number, because 3831849 - 2⁷ = 3831721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3831889) 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 17 ways as a sum of consecutive naturals, for example, 3904 + ... + 4785.

Almost surely, 2^3831849 is an apocalyptic number.

It is an amenable number.

3831849 is a deficient number, since it is larger than the sum of its proper divisors (2607441).

3831849 is a wasteful number, since it uses less digits than its factorization.

3831849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709 (or 8699 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3831849 is about 1957.5109195098. The cubic root of 3831849 is about 156.4838282480.

The spelling of 3831849 in words is "three million, eight hundred thirty-one thousand, eight hundred forty-nine".