3851841 has 12 divisors (see below), whose sum is σ = 5974512. Its totient is φ = 2200968.

The previous prime is 3851839. The next prime is 3851857. The reversal of 3851841 is 1481583.

It is not a de Polignac number, because 3851841 - 2¹ = 3851839 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3851799 and 3851808.

It is not an unprimeable number, because it can be changed into a prime (3851801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12955 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (497876).

Almost surely, 2^3851841 is an apocalyptic number.

It is an amenable number.

3851841 is a deficient number, since it is larger than the sum of its proper divisors (2122671).

3851841 is a wasteful number, since it uses less digits than its factorization.

3851841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220 (or 26213 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 3851841 is about 1962.6107612056. The cubic root of 3851841 is about 156.7554986383.

The spelling of 3851841 in words is "three million, eight hundred fifty-one thousand, eight hundred forty-one".