3825841 has 4 divisors (see below), whose sum is σ = 3859812. Its totient is φ = 3791872.

The previous prime is 3825827. The next prime is 3825851. The reversal of 3825841 is 1485283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1485283 = 241 ⋅6163.

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 1679616 = 1465^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825841 - 2⁷ = 3825713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3825851) 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, 16816 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (964953).

Almost surely, 2^3825841 is an apocalyptic number.

It is an amenable number.

3825841 is a deficient number, since it is larger than the sum of its proper divisors (33971).

3825841 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 3825841 = (2183458)₁₁.

3825841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33970.

The product of its digits is 7680, while the sum is 31.

The square root of 3825841 is about 1955.9757155957. The cubic root of 3825841 is about 156.4020012041.

The spelling of 3825841 in words is "three million, eight hundred twenty-five thousand, eight hundred forty-one".