3986125 has 32 divisors (see below), whose sum is σ = 5870592. Its totient is φ = 2664000.

The previous prime is 3986113. The next prime is 3986159. The reversal of 3986125 is 5216893.

It is not a de Polignac number, because 3986125 - 2¹³ = 3977933 is a prime.

3986125 is a lucky 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 31 ways as a sum of consecutive naturals, for example, 17764 + ... + 17986.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

Almost surely, 2^3986125 is an apocalyptic number.

It is an amenable number.

3986125 is a deficient number, since it is larger than the sum of its proper divisors (1884467).

3986125 is a wasteful number, since it uses less digits than its factorization.

3986125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 252 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3986125 is about 1996.5282367149. The cubic root of 3986125 is about 158.5563493184.

The spelling of 3986125 in words is "three million, nine hundred eighty-six thousand, one hundred twenty-five".