3218208 has 48 divisors (see below), whose sum is σ = 9656640. Its totient is φ = 919296.

The previous prime is 3218207. The next prime is 3218209. The reversal of 3218208 is 8028123.

It is an interprime number because it is at equal distance from previous prime (3218207) and next prime (3218209).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3218207) 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, 1723 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (201180).

Almost surely, 2^3218208 is an apocalyptic number.

It is an amenable number.

3218208 is an abundant number, since it is smaller than the sum of its proper divisors (6438432).

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

3218208 is a wasteful number, since it uses less digits than its factorization.

3218208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3218208 is about 1793.9364537240. The cubic root of 3218208 is about 147.6402266955.

The spelling of 3218208 in words is "three million, two hundred eighteen thousand, two hundred eight".