3712218 has 8 divisors (see below), whose sum is σ = 7424448. Its totient is φ = 1237404.

The previous prime is 3712207. The next prime is 3712231. The reversal of 3712218 is 8122173.

3712218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3712218 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309346 + ... + 309357.

It is an arithmetic number, because the mean of its divisors is an integer number (928056).

Almost surely, 2^3712218 is an apocalyptic number.

3712218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3712218 is a wasteful number, since it uses less digits than its factorization.

3712218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618708.

The product of its digits is 672, while the sum is 24.

The square root of 3712218 is about 1926.7117065093. The cubic root of 3712218 is about 154.8380966402.

It can be divided in two parts, 3 and 712218, that added together give a triangular number (712221 = T₁₁₉₃).

The spelling of 3712218 in words is "three million, seven hundred twelve thousand, two hundred eighteen".