4128816 has 20 divisors (see below), whose sum is σ = 10666232. Its totient is φ = 1376256.

The previous prime is 4128781. The next prime is 4128821. The reversal of 4128816 is 6188214.

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

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42961 + ... + 43056.

Almost surely, 2^4128816 is an apocalyptic number.

It is an amenable number.

4128816 is an abundant number, since it is smaller than the sum of its proper divisors (6537416).

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

4128816 is a wasteful number, since it uses less digits than its factorization.

4128816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86028 (or 86022 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 4128816 is about 2031.9488182531. The cubic root of 4128816 is about 160.4261556052.

The spelling of 4128816 in words is "four million, one hundred twenty-eight thousand, eight hundred sixteen".