4216643 has 4 divisors (see below), whose sum is σ = 4222200. Its totient is φ = 4211088.

The previous prime is 4216633. The next prime is 4216657. The reversal of 4216643 is 3466124.

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

It is a cyclic number.

It is not a de Polignac number, because 4216643 - 2⁶ = 4216579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4216603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (1055550).

Almost surely, 2^4216643 is an apocalyptic number.

4216643 is a deficient number, since it is larger than the sum of its proper divisors (5557).

4216643 is an equidigital number, since it uses as much as digits as its factorization.

4216643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556.

The product of its digits is 3456, while the sum is 26.

The square root of 4216643 is about 2053.4466148405. The cubic root of 4216643 is about 161.5556971609. Note that the first 3 decimals are identical.

The spelling of 4216643 in words is "four million, two hundred sixteen thousand, six hundred forty-three".