3683891 has 8 divisors (see below), whose sum is σ = 3973200. Its totient is φ = 3404160.

The previous prime is 3683879. The next prime is 3683909. The reversal of 3683891 is 1983863.

3683891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3683891 - 2¹⁰ = 3682867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3683821) 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 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (496650).

Almost surely, 2^3683891 is an apocalyptic number.

3683891 is a deficient number, since it is larger than the sum of its proper divisors (289309).

3683891 is a wasteful number, since it uses less digits than its factorization.

3683891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789.

The product of its digits is 31104, while the sum is 38.

The square root of 3683891 is about 1919.3465033704. The cubic root of 3683891 is about 154.4432471005.

The spelling of 3683891 in words is "three million, six hundred eighty-three thousand, eight hundred ninety-one".