3218346 has 32 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 1060848.

The previous prime is 3218323. The next prime is 3218357. The reversal of 3218346 is 6438123.

It is a happy number.

3218346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 6056.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

Almost surely, 2^3218346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3218346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615840).

3218346 is an abundant number, since it is smaller than the sum of its proper divisors (4013334).

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

3218346 is a wasteful number, since it uses less digits than its factorization.

3218346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3218346 is about 1793.9749162126. The cubic root of 3218346 is about 147.6423369859.

The spelling of 3218346 in words is "three million, two hundred eighteen thousand, three hundred forty-six".