4218873 has 8 divisors (see below), whose sum is σ = 5956128. Its totient is φ = 2647104.

The previous prime is 4218869. The next prime is 4218899. The reversal of 4218873 is 3788124.

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

It is not a de Polignac number, because 4218873 - 2² = 4218869 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4218803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41311 + ... + 41412.

It is an arithmetic number, because the mean of its divisors is an integer number (744516).

Almost surely, 2^4218873 is an apocalyptic number.

It is an amenable number.

4218873 is a deficient number, since it is larger than the sum of its proper divisors (1737255).

4218873 is a wasteful number, since it uses less digits than its factorization.

4218873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82743.

The product of its digits is 10752, while the sum is 33.

The square root of 4218873 is about 2053.9895325926. The cubic root of 4218873 is about 161.5841720806.

It can be divided in two parts, 42 and 18873, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 4218873 in words is "four million, two hundred eighteen thousand, eight hundred seventy-three".