3243863 has 8 divisors (see below), whose sum is σ = 3731328. Its totient is φ = 2762424.

The previous prime is 3243859. The next prime is 3243881. The reversal of 3243863 is 3683423.

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

It is not a de Polignac number, because 3243863 - 2² = 3243859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243833) 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, 281 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (466416).

Almost surely, 2^3243863 is an apocalyptic number.

3243863 is a deficient number, since it is larger than the sum of its proper divisors (487465).

3243863 is a wasteful number, since it uses less digits than its factorization.

3243863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its digits is 10368, while the sum is 29.

The square root of 3243863 is about 1801.0727358994. The cubic root of 3243863 is about 148.0315096047.

The spelling of 3243863 in words is "three million, two hundred forty-three thousand, eight hundred sixty-three".