4128817 has 24 divisors (see below), whose sum is σ = 5451840. Its totient is φ = 3034080.

The previous prime is 4128781. The next prime is 4128821. The reversal of 4128817 is 7188214.

It is not a de Polignac number, because 4128817 - 2⁷ = 4128689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95998 + ... + 96040.

It is an arithmetic number, because the mean of its divisors is an integer number (227160).

Almost surely, 2^4128817 is an apocalyptic number.

It is an amenable number.

4128817 is a deficient number, since it is larger than the sum of its proper divisors (1323023).

4128817 is a wasteful number, since it uses less digits than its factorization.

4128817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 90 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 4128817 is about 2031.9490643222. The cubic root of 4128817 is about 160.4261685569.

It can be divided in two parts, 412 and 8817, that added together give a palindrome (9229).

The spelling of 4128817 in words is "four million, one hundred twenty-eight thousand, eight hundred seventeen".