4128216 has 16 divisors (see below), whose sum is σ = 10320600. Its totient is φ = 1376064.

The previous prime is 4128199. The next prime is 4128217. The reversal of 4128216 is 6128214.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 172009 = 4128216 / (4 + 1 + 2 + 8 + 2 + 1 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85981 + ... + 86028.

Almost surely, 2^4128216 is an apocalyptic number.

It is an amenable number.

4128216 is an abundant number, since it is smaller than the sum of its proper divisors (6192384).

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

4128216 is a wasteful number, since it uses less digits than its factorization.

4128216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172018 (or 172014 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 4128216 is about 2031.8011713748. The cubic root of 4128216 is about 160.4183841798.

The spelling of 4128216 in words is "four million, one hundred twenty-eight thousand, two hundred sixteen".