3983975 has 24 divisors (see below), whose sum is σ = 5230320. Its totient is φ = 3006720.

The previous prime is 3983963. The next prime is 3983981. The reversal of 3983975 is 5793893.

It is not a de Polignac number, because 3983975 - 2⁶ = 3983911 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 54539 + ... + 54611.

It is an arithmetic number, because the mean of its divisors is an integer number (217930).

Almost surely, 2^3983975 is an apocalyptic number.

3983975 is a deficient number, since it is larger than the sum of its proper divisors (1246345).

3983975 is a wasteful number, since it uses less digits than its factorization.

3983975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 174 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 3983975 is about 1995.9897294325. The cubic root of 3983975 is about 158.5278372957.

The spelling of 3983975 in words is "three million, nine hundred eighty-three thousand, nine hundred seventy-five".