4243403 has 4 divisors (see below), whose sum is σ = 4466760. Its totient is φ = 4020048.

The previous prime is 4243397. The next prime is 4243409. The reversal of 4243403 is 3043424.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4243397) and next prime (4243409).

It is a cyclic number.

It is not a de Polignac number, because 4243403 - 2⁸ = 4243147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243409) 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, 111650 + ... + 111687.

It is an arithmetic number, because the mean of its divisors is an integer number (1116690).

Almost surely, 2^4243403 is an apocalyptic number.

4243403 is a deficient number, since it is larger than the sum of its proper divisors (223357).

4243403 is a wasteful number, since it uses less digits than its factorization.

4243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223356.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4243403 is about 2059.9521839111. The cubic root of 4243403 is about 161.8967359989.

Adding to 4243403 its reverse (3043424), we get a palindrome (7286827).

The spelling of 4243403 in words is "four million, two hundred forty-three thousand, four hundred three".