3847242 has 32 divisors (see below), whose sum is σ = 8870400. Its totient is φ = 1089648.

The previous prime is 3847241. The next prime is 3847243. The reversal of 3847242 is 2427483.

3847242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3847241) and next prime (3847243).

It is a d-powerful number, because it can be written as 3¹¹ + 8 + 4³ + 7 + 2¹⁹ + 4¹⁰ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847241) 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 15 ways as a sum of consecutive naturals, for example, 5509 + ... + 6167.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 2^3847242 is an apocalyptic number.

3847242 is an abundant number, since it is smaller than the sum of its proper divisors (5023158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3847242 is a wasteful number, since it uses less digits than its factorization.

3847242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 10752, while the sum is 30.

The square root of 3847242 is about 1961.4387576470. The cubic root of 3847242 is about 156.6930864352.

It can be divided in two parts, 384 and 7242, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 3847242 in words is "three million, eight hundred forty-seven thousand, two hundred forty-two".