3821925 has 24 divisors (see below), whose sum is σ = 6383520. Its totient is φ = 2017600.

The previous prime is 3821911. The next prime is 3821929. The reversal of 3821925 is 5291283.

It is a happy number.

3821925 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 3821925 - 2⁵ = 3821893 is a prime.

It is a super-2 number, since 2×3821925² = 29214221411250, which contains 22 as substring.

It is an Ulam number.

3821925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3821892 and 3821901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821929) 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 23 ways as a sum of consecutive naturals, for example, 9631 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (265980).

Almost surely, 2^3821925 is an apocalyptic number.

It is an amenable number.

3821925 is a deficient number, since it is larger than the sum of its proper divisors (2561595).

3821925 is a wasteful number, since it uses less digits than its factorization.

3821925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 3821925 is about 1954.9744243851. The cubic root of 3821925 is about 156.3486204073.

The spelling of 3821925 in words is "three million, eight hundred twenty-one thousand, nine hundred twenty-five".