4216285 has 4 divisors (see below), whose sum is σ = 5059548. Its totient is φ = 3373024.

The previous prime is 4216283. The next prime is 4216297. The reversal of 4216285 is 5826124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1125721 + 3090564 = 1061^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216285 - 2¹ = 4216283 is a prime.

It is a Duffinian number.

4216285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421624 + ... + 421633.

It is an arithmetic number, because the mean of its divisors is an integer number (1264887).

Almost surely, 2^4216285 is an apocalyptic number.

It is an amenable number.

4216285 is a deficient number, since it is larger than the sum of its proper divisors (843263).

4216285 is an equidigital number, since it uses as much as digits as its factorization.

4216285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843262.

The product of its digits is 3840, while the sum is 28.

The square root of 4216285 is about 2053.3594424747. The cubic root of 4216285 is about 161.5511249157.

The spelling of 4216285 in words is "four million, two hundred sixteen thousand, two hundred eighty-five".