303442 has 8 divisors (see below), whose sum is σ = 458316. Its totient is φ = 150672.

The previous prime is 303431. The next prime is 303463. The reversal of 303442 is 244303.

303442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 251001 + 52441 = 501^2 + 229^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 303442.

It is an unprimeable number.

303442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 784.

2³⁰³⁴⁴² is an apocalyptic number.

303442 is a deficient number, since it is larger than the sum of its proper divisors (154874).

303442 is a wasteful number, since it uses less digits than its factorization.

303442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 303442 is about 550.8556979827. The cubic root of 303442 is about 67.1983429769.

Adding to 303442 its reverse (244303), we get a palindrome (547745).

The spelling of 303442 in words is "three hundred three thousand, four hundred forty-two", and thus it is an iban number.