4243355 has 4 divisors (see below), whose sum is σ = 5092032. Its totient is φ = 3394680.

The previous prime is 4243321. The next prime is 4243357. The reversal of 4243355 is 5533424.

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

It is a de Polignac number, because none of the positive numbers 2^k-4243355 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424331 + ... + 424340.

It is an arithmetic number, because the mean of its divisors is an integer number (1273008).

Almost surely, 2^4243355 is an apocalyptic number.

4243355 is a deficient number, since it is larger than the sum of its proper divisors (848677).

4243355 is an equidigital number, since it uses as much as digits as its factorization.

4243355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848676.

The product of its digits is 7200, while the sum is 26.

The square root of 4243355 is about 2059.9405331223. The cubic root of 4243355 is about 161.8961255554.

Adding to 4243355 its reverse (5533424), we get a palindrome (9776779).

The spelling of 4243355 in words is "four million, two hundred forty-three thousand, three hundred fifty-five".