3947179 has 4 divisors (see below), whose sum is σ = 4179384. Its totient is φ = 3714976.

The previous prime is 3947173. The next prime is 3947189. The reversal of 3947179 is 9717493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9717493 = 19 ⋅511447.

It is not a de Polignac number, because 3947179 - 2⁵ = 3947147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3947173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116077 + ... + 116110.

It is an arithmetic number, because the mean of its divisors is an integer number (1044846).

Almost surely, 2^3947179 is an apocalyptic number.

3947179 is a deficient number, since it is larger than the sum of its proper divisors (232205).

3947179 is a wasteful number, since it uses less digits than its factorization.

3947179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232204.

The product of its digits is 47628, while the sum is 40.

The square root of 3947179 is about 1986.7508651061. The cubic root of 3947179 is about 158.0382725209.

The spelling of 3947179 in words is "three million, nine hundred forty-seven thousand, one hundred seventy-nine".