3975806 has 8 divisors (see below), whose sum is σ = 5978784. Its totient is φ = 1982880.

The previous prime is 3975791. The next prime is 3975827. The reversal of 3975806 is 6085793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3975806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (747348).

Almost surely, 2^3975806 is an apocalyptic number.

3975806 is a deficient number, since it is larger than the sum of its proper divisors (2002978).

3975806 is a wasteful number, since it uses less digits than its factorization.

3975806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3975806 is about 1993.9423261469. The cubic root of 3975806 is about 158.4194112439.

The spelling of 3975806 in words is "three million, nine hundred seventy-five thousand, eight hundred six".