3881843 has 8 divisors (see below), whose sum is σ = 4482912. Its totient is φ = 3292416.

The previous prime is 3881837. The next prime is 3881849. The reversal of 3881843 is 3481883.

It is an interprime number because it is at equal distance from previous prime (3881837) and next prime (3881849).

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 3881843 - 2⁸ = 3881587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3881849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180 + ... + 3537.

It is an arithmetic number, because the mean of its divisors is an integer number (560364).

Almost surely, 2^3881843 is an apocalyptic number.

3881843 is a deficient number, since it is larger than the sum of its proper divisors (601069).

3881843 is an equidigital number, since it uses as much as digits as its factorization.

3881843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821.

The product of its digits is 18432, while the sum is 35.

The square root of 3881843 is about 1970.2393255643. The cubic root of 3881843 is about 157.1614361740.

The spelling of 3881843 in words is "three million, eight hundred eighty-one thousand, eight hundred forty-three".