3825378 has 18 divisors (see below), whose sum is σ = 8306337. Its totient is φ = 1272360.

The previous prime is 3825373. The next prime is 3825379. The reversal of 3825378 is 8735283.

It can be written as a sum of positive squares in 2 ways, for example, as 3697929 + 127449 = 1923^2 + 357^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1383.

It is a d-powerful number, because it can be written as 3 + 8² + 2²⁰ + 5⁹ + 3 + 7⁷ + 8² .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3825373) 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 8 ways as a sum of consecutive naturals, for example, 8068 + ... + 8528.

Almost surely, 2^3825378 is an apocalyptic number.

3825378 is an abundant number, since it is smaller than the sum of its proper divisors (4480959).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3825378 is an equidigital number, since it uses as much as digits as its factorization.

3825378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 466 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 3825378 is about 1955.8573567620. The cubic root of 3825378 is about 156.3956917375.

It can be divided in two parts, 3825 and 378, that multiplied together give a triangular number (1445850 = T₁₇₀₀).

The spelling of 3825378 in words is "three million, eight hundred twenty-five thousand, three hundred seventy-eight".