3243663 has 6 divisors (see below), whose sum is σ = 4685304. Its totient is φ = 2162436.

The previous prime is 3243649. The next prime is 3243677. The reversal of 3243663 is 3663423.

It is an interprime number because it is at equal distance from previous prime (3243649) and next prime (3243677).

It is not a de Polignac number, because 3243663 - 2¹³ = 3235471 is a prime.

It is a d-powerful number, because it can be written as 3² + 2⁹ + 4³ + 3¹³ + 6⁵ + 6⁶ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180195 + ... + 180212.

It is an arithmetic number, because the mean of its divisors is an integer number (780884).

Almost surely, 2^3243663 is an apocalyptic number.

3243663 is a deficient number, since it is larger than the sum of its proper divisors (1441641).

3243663 is a wasteful number, since it uses less digits than its factorization.

3243663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360413 (or 360410 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 3243663 is about 1801.0172125774. The cubic root of 3243663 is about 148.0284672536.

The spelling of 3243663 in words is "three million, two hundred forty-three thousand, six hundred sixty-three".