3958125 has 20 divisors (see below), whose sum is σ = 6597888. Its totient is φ = 2110000.

The previous prime is 3958109. The next prime is 3958147. The reversal of 3958125 is 5218593.

It is not a de Polignac number, because 3958125 - 2⁴ = 3958109 is a prime.

It is an Ulam number.

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 19 ways as a sum of consecutive naturals, for example, 820 + ... + 2930.

Almost surely, 2^3958125 is an apocalyptic number.

It is an amenable number.

3958125 is a deficient number, since it is larger than the sum of its proper divisors (2639763).

3958125 is an equidigital number, since it uses as much as digits as its factorization.

3958125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2119 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 3958125 is about 1989.5037069581. The cubic root of 3958125 is about 158.1842240413.

The spelling of 3958125 in words is "three million, nine hundred fifty-eight thousand, one hundred twenty-five".