3706218 has 24 divisors (see below), whose sum is σ = 8108100. Its totient is φ = 1223424.

The previous prime is 3706201. The next prime is 3706247. The reversal of 3706218 is 8126073.

3706218 is a `hidden beast` number, since 37 + 0 + 621 + 8 = 666.

3706218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 31329 = 1917^2 + 177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3706191 and 3706200.

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 11 ways as a sum of consecutive naturals, for example, 1018 + ... + 2906.

Almost surely, 2^3706218 is an apocalyptic number.

3706218 is an abundant number, since it is smaller than the sum of its proper divisors (4401882).

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

3706218 is a wasteful number, since it uses less digits than its factorization.

3706218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3706218 is about 1925.1540198124. The cubic root of 3706218 is about 154.7546308564.

The spelling of 3706218 in words is "three million, seven hundred six thousand, two hundred eighteen".