3915925 has 12 divisors (see below), whose sum is σ = 5229700. Its totient is φ = 2891520.

The previous prime is 3915907. The next prime is 3915931. The reversal of 3915925 is 5295193.

It is a happy number.

3915925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 221841 + 3694084 = 471^2 + 1922^2 .

It is not a de Polignac number, because 3915925 - 2⁵ = 3915893 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5700 + ... + 6349.

Almost surely, 2^3915925 is an apocalyptic number.

It is an amenable number.

3915925 is a deficient number, since it is larger than the sum of its proper divisors (1313775).

3915925 is a wasteful number, since it uses less digits than its factorization.

3915925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072 (or 12067 counting only the distinct ones).

The product of its digits is 12150, while the sum is 34.

The square root of 3915925 is about 1978.8696268325. The cubic root of 3915925 is about 157.6200478890.

The spelling of 3915925 in words is "three million, nine hundred fifteen thousand, nine hundred twenty-five".