4005604217 has 8 divisors (see below), whose sum is σ = 4033498656. Its totient is φ = 3977750592.

The previous prime is 4005604193. The next prime is 4005604247. The reversal of 4005604217 is 7124065004.

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

It is a cyclic number.

It is not a de Polignac number, because 4005604217 - 2¹⁶ = 4005538681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4005604217.

It is not an unprimeable number, because it can be changed into a prime (4005604247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201938 + ... + 220884.

It is an arithmetic number, because the mean of its divisors is an integer number (504187332).

Almost surely, 2^4005604217 is an apocalyptic number.

It is an amenable number.

4005604217 is a deficient number, since it is larger than the sum of its proper divisors (27894439).

4005604217 is a wasteful number, since it uses less digits than its factorization.

4005604217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4005604217 is about 63289.8429212777. The cubic root of 4005604217 is about 1588.1420510127.

The spelling of 4005604217 in words is "four billion, five million, six hundred four thousand, two hundred seventeen".