3670218 has 16 divisors (see below), whose sum is σ = 8156160. Its totient is φ = 1223388.

The previous prime is 3670171. The next prime is 3670231. The reversal of 3670218 is 8120763.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3670191 and 3670200.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 33930 + ... + 34037.

It is an arithmetic number, because the mean of its divisors is an integer number (509760).

Almost surely, 2^3670218 is an apocalyptic number.

3670218 is an abundant number, since it is smaller than the sum of its proper divisors (4485942).

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

3670218 is a wasteful number, since it uses less digits than its factorization.

3670218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67978 (or 67972 counting only the distinct ones).

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

The square root of 3670218 is about 1915.7813027587. The cubic root of 3670218 is about 154.2519348447.

The spelling of 3670218 in words is "three million, six hundred seventy thousand, two hundred eighteen".