4147842 has 16 divisors (see below), whose sum is σ = 8396640. Its totient is φ = 1365792.

The previous prime is 4147837. The next prime is 4147867. The reversal of 4147842 is 2487414.

4147842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 3667 + ... + 4662.

It is an arithmetic number, because the mean of its divisors is an integer number (524790).

Almost surely, 2^4147842 is an apocalyptic number.

4147842 is an abundant number, since it is smaller than the sum of its proper divisors (4248798).

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

4147842 is a wasteful number, since it uses less digits than its factorization.

4147842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417.

The product of its digits is 7168, while the sum is 30.

The square root of 4147842 is about 2036.6251496041. The cubic root of 4147842 is about 160.6721980232.

It can be divided in two parts, 414 and 7842, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 4147842 in words is "four million, one hundred forty-seven thousand, eight hundred forty-two".