4128447 has 8 divisors (see below), whose sum is σ = 5520640. Its totient is φ = 2744280.

The previous prime is 4128427. The next prime is 4128451. The reversal of 4128447 is 7448214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4128447 - 2¹¹ = 4126399 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (690080).

Almost surely, 2^4128447 is an apocalyptic number.

4128447 is a deficient number, since it is larger than the sum of its proper divisors (1392193).

4128447 is a wasteful number, since it uses less digits than its factorization.

4128447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

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

The square root of 4128447 is about 2031.8580166931. The cubic root of 4128447 is about 160.4213762677.

The spelling of 4128447 in words is "four million, one hundred twenty-eight thousand, four hundred forty-seven".