3243887 has 4 divisors (see below), whose sum is σ = 3252456. Its totient is φ = 3235320.

The previous prime is 3243883. The next prime is 3243917. The reversal of 3243887 is 7883423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3243887 - 2² = 3243883 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 (3243881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 4482.

It is an arithmetic number, because the mean of its divisors is an integer number (813114).

Almost surely, 2^3243887 is an apocalyptic number.

3243887 is a deficient number, since it is larger than the sum of its proper divisors (8569).

3243887 is an equidigital number, since it uses as much as digits as its factorization.

3243887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568.

The product of its digits is 32256, while the sum is 35.

The square root of 3243887 is about 1801.0793985830. The cubic root of 3243887 is about 148.0318746784.

The spelling of 3243887 in words is "three million, two hundred forty-three thousand, eight hundred eighty-seven".