3979841 has 4 divisors (see below), whose sum is σ = 3986352. Its totient is φ = 3973332.

The previous prime is 3979837. The next prime is 3979849. The reversal of 3979841 is 1489793.

It is a happy number.

3979841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1489793 = 71 ⋅20983.

It is a cyclic number.

It is not a de Polignac number, because 3979841 - 2² = 3979837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979849) 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, 2231 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (996588).

Almost surely, 2^3979841 is an apocalyptic number.

It is an amenable number.

3979841 is a deficient number, since it is larger than the sum of its proper divisors (6511).

3979841 is an equidigital number, since it uses as much as digits as its factorization.

3979841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510.

The product of its digits is 54432, while the sum is 41.

The square root of 3979841 is about 1994.9538841788. The cubic root of 3979841 is about 158.4729858063.

The spelling of 3979841 in words is "three million, nine hundred seventy-nine thousand, eight hundred forty-one".