3813842 has 16 divisors (see below), whose sum is σ = 5957952. Its totient is φ = 1829520.

The previous prime is 3813811. The next prime is 3813847. The reversal of 3813842 is 2483183.

It is a happy number.

3813842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3813847) 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 7 ways as a sum of consecutive naturals, for example, 4883 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (372372).

Almost surely, 2^3813842 is an apocalyptic number.

3813842 is a deficient number, since it is larger than the sum of its proper divisors (2144110).

3813842 is a wasteful number, since it uses less digits than its factorization.

3813842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its digits is 4608, while the sum is 29.

The square root of 3813842 is about 1952.9060397264. The cubic root of 3813842 is about 156.2383219005.

The spelling of 3813842 in words is "three million, eight hundred thirteen thousand, eight hundred forty-two".