3825819 has 8 divisors (see below), whose sum is σ = 5667920. Its totient is φ = 2550528.

The previous prime is 3825817. The next prime is 3825823. The reversal of 3825819 is 9185283.

3825819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3825819 - 2¹ = 3825817 is a prime.

It is a super-2 number, since 2×3825819² = 29273782041522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3825817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70822 + ... + 70875.

It is an arithmetic number, because the mean of its divisors is an integer number (708490).

Almost surely, 2^3825819 is an apocalyptic number.

3825819 is a deficient number, since it is larger than the sum of its proper divisors (1842101).

3825819 is a wasteful number, since it uses less digits than its factorization.

3825819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141706 (or 141700 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3825819 is about 1955.9700917959. The cubic root of 3825819 is about 156.4017014138.

The spelling of 3825819 in words is "three million, eight hundred twenty-five thousand, eight hundred nineteen".