3811946 has 8 divisors (see below), whose sum is σ = 5902464. Its totient is φ = 1844460.

The previous prime is 3811939. The next prime is 3811949. The reversal of 3811946 is 6491183.

It is a happy number.

3811946 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 an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3811949) 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, 30680 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (737808).

Almost surely, 2^3811946 is an apocalyptic number.

3811946 is a deficient number, since it is larger than the sum of its proper divisors (2090518).

3811946 is a wasteful number, since it uses less digits than its factorization.

3811946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61516.

The product of its digits is 5184, while the sum is 32.

The square root of 3811946 is about 1952.4205489597. The cubic root of 3811946 is about 156.2124270190.

The spelling of 3811946 in words is "three million, eight hundred eleven thousand, nine hundred forty-six".