3975506 has 8 divisors (see below), whose sum is σ = 5972400. Its totient is φ = 1984708.

The previous prime is 3975493. The next prime is 3975509. The reversal of 3975506 is 6055793.

3975506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3975509) 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 3 ways as a sum of consecutive naturals, for example, 845 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (746550).

Almost surely, 2^3975506 is an apocalyptic number.

3975506 is a deficient number, since it is larger than the sum of its proper divisors (1996894).

3975506 is a wasteful number, since it uses less digits than its factorization.

3975506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 3975506 is about 1993.8670968748. The cubic root of 3975506 is about 158.4154265576.

The spelling of 3975506 in words is "three million, nine hundred seventy-five thousand, five hundred six".