4394217 has 8 divisors (see below), whose sum is σ = 5933440. Its totient is φ = 2892240.

The previous prime is 4394209. The next prime is 4394227. The reversal of 4394217 is 7124934.

It is a happy number.

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

It is not a de Polignac number, because 4394217 - 2³ = 4394209 is a prime.

It is a Duffinian number.

4394217 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4394227) 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, 9034 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (741680).

Almost surely, 2^4394217 is an apocalyptic number.

It is an amenable number.

4394217 is a deficient number, since it is larger than the sum of its proper divisors (1539223).

4394217 is a wasteful number, since it uses less digits than its factorization.

4394217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623.

The product of its digits is 6048, while the sum is 30.

The square root of 4394217 is about 2096.2387745674. The cubic root of 4394217 is about 163.7924327227.

It can be divided in two parts, 439 and 4217, that added together give a triangular number (4656 = T₉₆).

The spelling of 4394217 in words is "four million, three hundred ninety-four thousand, two hundred seventeen".