4216018 has 4 divisors (see below), whose sum is σ = 6324030. Its totient is φ = 2108008.

The previous prime is 4216007. The next prime is 4216027. The reversal of 4216018 is 8106124.

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

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 804609 = 1847^2 + 897^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4216018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054003 + ... + 1054006.

Almost surely, 2^4216018 is an apocalyptic number.

4216018 is a deficient number, since it is larger than the sum of its proper divisors (2108012).

4216018 is a wasteful number, since it uses less digits than its factorization.

4216018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108011.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 4216018 is about 2053.2944260383. The cubic root of 4216018 is about 161.5477147208.

The spelling of 4216018 in words is "four million, two hundred sixteen thousand, eighteen".