3825655 has 4 divisors (see below), whose sum is σ = 4590792. Its totient is φ = 3060520.

The previous prime is 3825649. The next prime is 3825671. The reversal of 3825655 is 5565283.

3825655 = 498² + 499² + ... + 512².

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3825655 - 2⁵ = 3825623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3825655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382561 + ... + 382570.

It is an arithmetic number, because the mean of its divisors is an integer number (1147698).

Almost surely, 2^3825655 is an apocalyptic number.

3825655 is a deficient number, since it is larger than the sum of its proper divisors (765137).

3825655 is an equidigital number, since it uses as much as digits as its factorization.

3825655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765136.

The product of its digits is 36000, while the sum is 34.

The square root of 3825655 is about 1955.9281684152. The cubic root of 3825655 is about 156.3994665768.

The spelling of 3825655 in words is "three million, eight hundred twenty-five thousand, six hundred fifty-five".