3831841 has 4 divisors (see below), whose sum is σ = 4126612. Its totient is φ = 3537072.

The previous prime is 3831827. The next prime is 3831871. The reversal of 3831841 is 1481383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1481383 = 269 ⋅5507.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 3610000 = 471^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 3831841 - 2⁹ = 3831329 is a prime.

It is a Duffinian number.

3831841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3831811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147366 + ... + 147391.

It is an arithmetic number, because the mean of its divisors is an integer number (1031653).

Almost surely, 2^3831841 is an apocalyptic number.

It is an amenable number.

3831841 is a deficient number, since it is larger than the sum of its proper divisors (294771).

3831841 is a wasteful number, since it uses less digits than its factorization.

3831841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294770.

The product of its digits is 2304, while the sum is 28.

The square root of 3831841 is about 1957.5088760974. The cubic root of 3831841 is about 156.4837193474.

The spelling of 3831841 in words is "three million, eight hundred thirty-one thousand, eight hundred forty-one".