3218768 has 40 divisors (see below), whose sum is σ = 7380480. Its totient is φ = 1330560.

The previous prime is 3218767. The next prime is 3218773. The reversal of 3218768 is 8678123.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218767) 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, 2753 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (184512).

Almost surely, 2^3218768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3218768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3690240).

3218768 is an abundant number, since it is smaller than the sum of its proper divisors (4161712).

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

3218768 is a wasteful number, since it uses less digits than its factorization.

3218768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1029 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 3218768 is about 1794.0925282716. The cubic root of 3218768 is about 147.6487898184.

The spelling of 3218768 in words is "three million, two hundred eighteen thousand, seven hundred sixty-eight".