4320242 has 12 divisors (see below), whose sum is σ = 6613530. Its totient is φ = 2116608.

The previous prime is 4320241. The next prime is 4320247. The reversal of 4320242 is 2420234.

It can be written as a sum of positive squares in 3 ways, for example, as 4116841 + 203401 = 2029^2 + 451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4320242.

It is not an unprimeable number, because it can be changed into a prime (4320241) 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 5 ways as a sum of consecutive naturals, for example, 5234 + ... + 6002.

Almost surely, 2^4320242 is an apocalyptic number.

4320242 is a deficient number, since it is larger than the sum of its proper divisors (2293288).

4320242 is an equidigital number, since it uses as much as digits as its factorization.

4320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4320242 is about 2078.5191844195. The cubic root of 4320242 is about 162.8680980920.

Adding to 4320242 its reverse (2420234), we get a palindrome (6740476).

The spelling of 4320242 in words is "four million, three hundred twenty thousand, two hundred forty-two".