3825445 has 16 divisors (see below), whose sum is σ = 4984560. Its totient is φ = 2801664.

The previous prime is 3825439. The next prime is 3825457. The reversal of 3825445 is 5445283.

It can be written as a sum of positive squares in 8 ways, for example, as 388129 + 3437316 = 623^2 + 1854^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825445 - 2⁵ = 3825413 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14757 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (311535).

Almost surely, 2^3825445 is an apocalyptic number.

It is an amenable number.

3825445 is a deficient number, since it is larger than the sum of its proper divisors (1159115).

3825445 is a wasteful number, since it uses less digits than its factorization.

3825445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 19200, while the sum is 31.

The square root of 3825445 is about 1955.8744847254. The cubic root of 3825445 is about 156.3966048020.

The spelling of 3825445 in words is "three million, eight hundred twenty-five thousand, four hundred forty-five".