4216839 has 16 divisors (see below), whose sum is σ = 6251904. Its totient is φ = 2506400.

The previous prime is 4216819. The next prime is 4216847. The reversal of 4216839 is 9386124.

It is a cyclic number.

It is not a de Polignac number, because 4216839 - 2⁹ = 4216327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 4¹⁰ + 2¹³ + 1 + 6² + 8⁷ + 3¹² + 9⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (390744).

Almost surely, 2^4216839 is an apocalyptic number.

4216839 is a deficient number, since it is larger than the sum of its proper divisors (2035065).

4216839 is a wasteful number, since it uses less digits than its factorization.

4216839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478.

The product of its digits is 10368, while the sum is 33.

The square root of 4216839 is about 2053.4943389257. The cubic root of 4216839 is about 161.5582002916.

It can be divided in two parts, 421 and 6839, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 4216839 in words is "four million, two hundred sixteen thousand, eight hundred thirty-nine".