3825791 has 4 divisors (see below), whose sum is σ = 3861000. Its totient is φ = 3790584.

The previous prime is 3825781. The next prime is 3825793. The reversal of 3825791 is 1975283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1975283 = 593 ⋅3331.

It is a de Polignac number, because none of the positive numbers 2^k-3825791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17441 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^3825791 is an apocalyptic number.

3825791 is a deficient number, since it is larger than the sum of its proper divisors (35209).

3825791 is a wasteful number, since it uses less digits than its factorization.

3825791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208.

The product of its digits is 15120, while the sum is 35.

The square root of 3825791 is about 1955.9629342091. The cubic root of 3825791 is about 156.4013198607.

The spelling of 3825791 in words is "three million, eight hundred twenty-five thousand, seven hundred ninety-one".