3213306 has 24 divisors (see below), whose sum is σ = 7372404. Its totient is φ = 1008000.

The previous prime is 3213283. The next prime is 3213349. The reversal of 3213306 is 6033123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 5625 = 1791^2 + 75^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4945 + ... + 5556.

Almost surely, 2^3213306 is an apocalyptic number.

3213306 is an abundant number, since it is smaller than the sum of its proper divisors (4159098).

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

3213306 is a wasteful number, since it uses less digits than its factorization.

3213306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3213306 is about 1792.5696639183. The cubic root of 3213306 is about 147.5652263467.

Adding to 3213306 its reverse (6033123), we get a palindrome (9246429).

The spelling of 3213306 in words is "three million, two hundred thirteen thousand, three hundred six".