4147872 has 24 divisors (see below), whose sum is σ = 10888416. Its totient is φ = 1382592.

The previous prime is 4147867. The next prime is 4147873. The reversal of 4147872 is 2787414.

4147872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4147873) 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, 21508 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (453684).

Almost surely, 2^4147872 is an apocalyptic number.

It is an amenable number.

4147872 is an abundant number, since it is smaller than the sum of its proper divisors (6740544).

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

4147872 is a wasteful number, since it uses less digits than its factorization.

4147872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43220 (or 43212 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 4147872 is about 2036.6325147164. The cubic root of 4147872 is about 160.6725853856.

The spelling of 4147872 in words is "four million, one hundred forty-seven thousand, eight hundred seventy-two".