3825839 has 8 divisors (see below), whose sum is σ = 3943632. Its totient is φ = 3709440.

The previous prime is 3825827. The next prime is 3825851. The reversal of 3825839 is 9385283.

It is an interprime number because it is at equal distance from previous prime (3825827) and next prime (3825851).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3825839 - 2⁴ = 3825823 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8069 + ... + 8529.

It is an arithmetic number, because the mean of its divisors is an integer number (492954).

Almost surely, 2^3825839 is an apocalyptic number.

3825839 is a deficient number, since it is larger than the sum of its proper divisors (117793).

3825839 is a wasteful number, since it uses less digits than its factorization.

3825839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its digits is 51840, while the sum is 38.

The square root of 3825839 is about 1955.9752043418. The cubic root of 3825839 is about 156.4019739505.

It can be divided in two parts, 3825 and 839, that added together give a palindrome (4664).

The spelling of 3825839 in words is "three million, eight hundred twenty-five thousand, eight hundred thirty-nine".