3930843 has 16 divisors (see below), whose sum is σ = 6152960. Its totient is φ = 2185056.

The previous prime is 3930841. The next prime is 3930869. The reversal of 3930843 is 3480393.

It is a happy number.

It is not a de Polignac number, because 3930843 - 2¹ = 3930841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3930843.

It is not an unprimeable number, because it can be changed into a prime (3930841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1753 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (384560).

Almost surely, 2^3930843 is an apocalyptic number.

3930843 is a deficient number, since it is larger than the sum of its proper divisors (2222117).

3930843 is a wasteful number, since it uses less digits than its factorization.

3930843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3930843 is about 1982.6353673835. The cubic root of 3930843 is about 157.8199492546.

The spelling of 3930843 in words is "three million, nine hundred thirty thousand, eight hundred forty-three".