3821841 has 24 divisors (see below), whose sum is σ = 5928000. Its totient is φ = 2366496.

The previous prime is 3821837. The next prime is 3821863. The reversal of 3821841 is 1481283.

It is not a de Polignac number, because 3821841 - 2² = 3821837 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3821801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7410 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (247000).

Almost surely, 2^3821841 is an apocalyptic number.

It is an amenable number.

3821841 is a deficient number, since it is larger than the sum of its proper divisors (2106159).

3821841 is a wasteful number, since it uses less digits than its factorization.

3821841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 562 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3821841 is about 1954.9529406101. The cubic root of 3821841 is about 156.3474749653.

The spelling of 3821841 in words is "three million, eight hundred twenty-one thousand, eight hundred forty-one".