3243666 has 8 divisors (see below), whose sum is σ = 6487344. Its totient is φ = 1081220.

The previous prime is 3243649. The next prime is 3243677. The reversal of 3243666 is 6663423.

It is a sphenic number, since it is the product of 3 distinct primes.

3243666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270300 + ... + 270311.

It is an arithmetic number, because the mean of its divisors is an integer number (810918).

Almost surely, 2^3243666 is an apocalyptic number.

3243666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3243666 is a wasteful number, since it uses less digits than its factorization.

3243666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540616.

The product of its digits is 15552, while the sum is 30.

The square root of 3243666 is about 1801.0180454399. The cubic root of 3243666 is about 148.0285128898.

The spelling of 3243666 in words is "three million, two hundred forty-three thousand, six hundred sixty-six".