3742218 has 48 divisors (see below), whose sum is σ = 8592480. Its totient is φ = 1175328.

The previous prime is 3742201. The next prime is 3742223. The reversal of 3742218 is 8122473.

It is a junction number, because it is equal to n+sod(n) for n = 3742191 and 3742200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34921 + ... + 35027.

It is an arithmetic number, because the mean of its divisors is an integer number (179010).

Almost surely, 2^3742218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3742218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4296240).

3742218 is an abundant number, since it is smaller than the sum of its proper divisors (4850262).

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

3742218 is a wasteful number, since it uses less digits than its factorization.

3742218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

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

The square root of 3742218 is about 1934.4813258339. The cubic root of 3742218 is about 155.2540820572.

The spelling of 3742218 in words is "three million, seven hundred forty-two thousand, two hundred eighteen".