3427218 has 16 divisors (see below), whose sum is σ = 7616160. Its totient is φ = 1142388.

The previous prime is 3427211. The next prime is 3427223. The reversal of 3427218 is 8127243.

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 = 3427191 and 3427200.

It is not an unprimeable number, because it can be changed into a prime (3427211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31680 + ... + 31787.

It is an arithmetic number, because the mean of its divisors is an integer number (476010).

Almost surely, 2^3427218 is an apocalyptic number.

3427218 is an abundant number, since it is smaller than the sum of its proper divisors (4188942).

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

3427218 is a wasteful number, since it uses less digits than its factorization.

3427218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63478 (or 63472 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3427218 is about 1851.2746959865. The cubic root of 3427218 is about 150.7696442310.

The spelling of 3427218 in words is "three million, four hundred twenty-seven thousand, two hundred eighteen".