3821725 has 12 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 3004400.

The previous prime is 3821723. The next prime is 3821729. The reversal of 3821725 is 5271283.

3821725 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 3821725 - 2¹ = 3821723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3821693 and 3821702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821723) 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 11 ways as a sum of consecutive naturals, for example, 180 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^3821725 is an apocalyptic number.

It is an amenable number.

3821725 is a deficient number, since it is larger than the sum of its proper divisors (999395).

3821725 is a wasteful number, since it uses less digits than its factorization.

3821725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2655 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3821725 is about 1954.9232721516. The cubic root of 3821725 is about 156.3458931368.

The spelling of 3821725 in words is "three million, eight hundred twenty-one thousand, seven hundred twenty-five".