4196018 has 4 divisors (see below), whose sum is σ = 6294030. Its totient is φ = 2098008.

The previous prime is 4196011. The next prime is 4196057. The reversal of 4196018 is 8106914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8106914 = 2 ⋅4053457.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 1087849 = 1763^2 + 1043^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4196011) 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 as a sum of consecutive naturals, namely, 1049003 + ... + 1049006.

Almost surely, 2^4196018 is an apocalyptic number.

4196018 is a deficient number, since it is larger than the sum of its proper divisors (2098012).

4196018 is a wasteful number, since it uses less digits than its factorization.

4196018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098011.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 4196018 is about 2048.4184142894. The cubic root of 4196018 is about 161.2918590125.

The spelling of 4196018 in words is "four million, one hundred ninety-six thousand, eighteen".